Fix error in interest group model mapping

src/main/java/org/eclipsefoundation/git/eca/api/models/InterestGroupData.java

@@ -16,7 +16,7 @@ public abstract class InterestGroupData {
     public abstract String getTitle();
     public abstract String getLogo();
     public abstract String getState();
-    public abstract String getFoundationdbProjectId();
+    public abstract String getProjectId();
     public abstract Descriptor getDescription();
     public abstract Descriptor getScope();
     public abstract List<User> getLeads();
@@ -29,13 +29,13 @@ public abstract class InterestGroupData {
 
     @AutoValue.Builder
     @JsonPOJOBuilder(withPrefix = "set")
-    public static abstract class Builder {
+    public abstract static class Builder {
         public abstract Builder setId(String id);
         public abstract Builder setTitle(String title);
         public abstract Builder setGitlab(GitlabProject gitlab);
         public abstract Builder setLogo(String logo);
         public abstract Builder setState(String state);
-        public abstract Builder setFoundationdbProjectId(String foundationdbProjectId);
+        public abstract Builder setProjectId(String foundationdbProjectId);
         public abstract Builder setDescription(Descriptor description);
         public abstract Builder setScope(Descriptor scope);
         public abstract Builder setLeads(List<User> leads);
@@ -45,7 +45,7 @@ public abstract class InterestGroupData {
 
     @AutoValue
     @JsonDeserialize(builder = AutoValue_InterestGroupData_Descriptor.Builder.class)
-    public static abstract class Descriptor {
+    public abstract static class Descriptor {
         public abstract String getSummary();
         public abstract String getFull();
 
@@ -55,7 +55,7 @@ public abstract class InterestGroupData {
 
         @AutoValue.Builder
         @JsonPOJOBuilder(withPrefix = "set")
-        public static abstract class Builder {
+        public abstract static class Builder {
             public abstract Builder setSummary(String summary);
             public abstract Builder setFull(String full);
             public abstract Descriptor build();