Prepare to build releases from branches

.github/workflows/release-eclipse-distro-build.yml

@@ -11,6 +11,11 @@ on:
         description: Last segments of an s3 path for p2 Repo for eclipse ls extensions
         required: true
         type: string
+      ref:
+        description: Git branch, tag, commit hash
+        required: false
+        default: 'main'
+        type: string
 
 jobs:
 
@@ -21,6 +26,7 @@ jobs:
       build_type: 'release'
       p2-qualifier: 'RELEASE'
       sts4-language-servers-version: ${{ inputs.sts4-language-servers-version }}
+      ref: ${{ inputs.ref }}
       java_version: '17'
     secrets: inherit
 
@@ -31,6 +37,7 @@ jobs:
       build_type: 'release'
       p2-qualifier: 'RELEASE'
       sts4-language-servers-version: ${{ inputs.sts4-language-servers-version }}
+      ref: ${{ inputs.ref }}
       java_version: '21'
     secrets: inherit
 
@@ -41,5 +48,6 @@ jobs:
       build_type: 'release'
       p2-qualifier: 'RELEASE'
       sts4-language-servers-version: ${{ inputs.sts4-language-servers-version }}
+      ref: ${{ inputs.ref }}
       java_version: '21'
     secrets: inherit