fix : set username to __token__ to enforce token authentifaction.

For context check eclipsefdn/helpdesk#5378 (comment 2932378)

.gitlab/ci/release/template.gitlab-ci.yml

@@ -32,9 +32,9 @@ include:
         VAULT_ID_TOKEN:
           aud: https://gitlab.eclipse.org
   secrets:
-    TWINE_USERNAME:
-      vault: $EF_PROJECT_ID/pypi.org/username@cbi
-      file: false
+    # TWINE_USERNAME:
+    #   vault: $EF_PROJECT_ID/pypi.org/username@cbi
+    #   file: false
     TWINE_PASSWORD:
       vault: $EF_PROJECT_ID/pypi.org/api-token@cbi
       file: false
@@ -46,7 +46,8 @@ include:
 
   script:
     - export WHEELS=$(find wheelhouse/ -name "$CI_PROJECT_NAME*.whl")
-    - echo "WHEELS FOUND :$WHEELS"
+    - echo "WHEELS FOUND:\ $WHEELS"
+    - export TWINE_USERNAME="__token__"
     - echo $TWINE_USERNAME
     - echo $TWINE_PASSWORD
     - python3 -m twine upload --verbose $WHEELS