Update create_release.yml (#2018)

# Summary
- Release script checks for release branch and skips steps instead of
failing

# Ticket

<ticket>
COIOS-000
</ticket>

.github/workflows/create_release.yml

@@ -16,21 +16,28 @@ jobs:
         fetch-depth: 0
 
     - name: Fetch Pull Request Details
+      continue-on-error: true
       run: |
         SOURCE_BRANCH=${{ github.event.pull_request.head.ref }}
         
         # Checking if the source branch was a release
+        # If the branch is not a release branch we return early and skip the subsequent steps
         if [[ "$SOURCE_BRANCH" != release/* ]]; then
+          echo "PROCEED=false" >> $GITHUB_ENV
           echo "Source branch does not match pattern. Exiting."
-          exit 1
+          echo "IS_RELEASE_BRANCH=false" >> $GITHUB_ENV
+          exit 0
         fi
         
         # Extracting the version number from the source branch name
+        # If the version number does not match we fail to indicate an issue
         VERSION_NUMBER=${SOURCE_BRANCH#release/}
         if [[ ! "$VERSION_NUMBER" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
           echo "'$VERSION_NUMBER' does not match semantic versioning format. Exiting."
           exit 1
         fi
+
+        echo "IS_RELEASE_BRANCH=true" >> $GITHUB_ENV
         
         MERGE_COMMIT_SHA=${{ github.event.pull_request.merge_commit_sha }}
         PR_NUMBER=${{ github.event.pull_request.number }}
@@ -49,6 +56,7 @@ jobs:
         echo "$PR_BODY" >> "${{ github.workspace }}/release_content.md"
         
     - name: Create Release
+      if: env.IS_RELEASE_BRANCH == 'true'
       uses: softprops/action-gh-release@v2
       with:
         body_path: "${{ github.workspace }}/release_content.md"