Update API to use Quarkus 2.6.3 and commons lib

Also includes upgrades to models to use autovalue, new openapi spec, and additional tests to ensure output

spec/openapi.yaml

+openapi: '3.1.0'
+info:
+   version: 1.1.0
+   title: Eclipse Foundation Git ECA API
+   license:
+      name: Eclipse Public License - 2.0
+      url: https://www.eclipse.org/legal/epl-2.0/
+servers:
+-  url: https://api.eclipse.org/git
+   description: Production endpoint for the Git ECA validation API
+tags:
+-  name: ECA Validation
+   description: Definitions in relation to the validation of Git commits through ECA signage
+paths:
+   /eca:
+      post:
+         tags:
+         - ECA Validation
+         summary: ECA validation
+         description: Validates a list of commits for a merge request.
+         requestBody:
+          content:
+            application/json:
+               schema: 
+                  $ref: '#/components/schemas/ValidationRequest'
+         responses:
+            200:
+               description: Success
+               content:
+                  application/json:
+                     schema:
+                        $ref: '#/components/schemas/ValidationResponse'
+            500:
+               description: Error while retrieving data
+components:
+   schemas:
+      NullableString:
+         description: A nullable String type value
+         type:
+            - 'null'
+            - string
+      DateTime:
+         type: string
+         format: datetime
+         description: |
+            Date string in the RFC 3339 format. Example, `1990-12-31T15:59:60-08:00`.
+
+            More on this standard can be read at https://tools.ietf.org/html/rfc3339.
+      ValidationRequest:
+        type: object
+        properties:
+          provider:
+            type: string
+            description: The provider for which the commit is being validated for
+            enum:
+              - github
+              - gitlab
+              - gerrit
+          repoUrl:
+            type: string
+            description: the outward facing URL of the repo the commit belongs to.
+          strictMode:
+            type: boolean
+            description: asd
+          commits:
+            type: array
+            minimum: 1
+            items:
+              type: object
+              properties:
+                hash:
+                  type: string
+                  description: The hash of the commit. Used for messaging and logging.
+                body:
+                  $ref: '#/components/schemas/NullableString'
+                  description: The body message of the commit if available
+                subject:
+                  $ref: '#/components/schemas/NullableString'
+                  description: The subject of the commit
+                author:
+                  $ref: '#/components/schemas/GitUser'
+                  description: The author of the Git commit
+                committer:
+                  $ref: '#/components/schemas/GitUser'
+                  description: The committer of the Git commit
+                head:
+                  type: 
+                    - boolean
+                    - 'null'
+                  description: True if the current commit is the head commit, false otherwise
+                parents:
+                  type: array
+                  items:
+                    type: string
+                    description: Parent commit hashes, multiple will be present for merge commits
+      GitUser:
+        type: object
+        properties:
+          name:
+            type: string
+            description: The name of the git user
+          mail:
+            type: string
+            description: the email address of the user
+      ValidationResponse:
+         type: object
+         properties:
+            time:
+               $ref: '#/components/schemas/DateTime'
+               description: Time of the request validation for logging/tracking purposes.
+            trackedProject:
+               type: boolean
+               description: Whether the project is tracked in PMI and is an Eclipse project.
+            strictMode:
+               type: boolean
+               description: Whether strict mode was enforced for the validation.
+            errorCount:
+               type: integer
+               description: The number of errors encountered while validating the request
+            passed:
+               type: boolean
+               description: Whether the current request is valid in relation to ECA signage.
+            commits:
+              type: object
+              propertyNames:
+                description: The commit hash of the commit that was validated
+              additionalProperties:
+                $ref: '#/components/schemas/Commit'
+      Commit:
+        type: object
+        properties:
+          messages:
+            type: array
+            description: List of informational messages about the validation of the current commit.
+            items:
+              $ref: '#/components/schemas/CommitMessage'
+          warnings:
+            type: array
+            description: List of non-fatal issues encountered in the validation of the current commit
+            items:
+              $ref: '#/components/schemas/CommitMessage'
+          errors:
+            type: array
+            description: List of errors encountered in the validation of the current commit
+            items:
+              $ref: '#/components/schemas/CommitMessage'
+      CommitMessage:
+        type: object
+        properties:
+          code:
+            type: integer
+            description: the internal status code for the message
+          message:
+            type: string
+            description: Information about the commit message. This can either be information about the validation process to report or the source of an error to be corrected.