[Bugfix] Fix issue where release aciton fails when no API update (#4498)

* update action to not commit if there are no changes

* Change files

* Update .github/workflows/create-release-branch.yml

Co-authored-by: James Burnside <2684369+JamesBurnside@users.noreply.github.com>
Signed-off-by: Donald McEachern <94866715+dmceachernmsft@users.noreply.github.com>

---------

Signed-off-by: Donald McEachern <94866715+dmceachernmsft@users.noreply.github.com>
Co-authored-by: James Burnside <2684369+JamesBurnside@users.noreply.github.com>

.github/workflows/create-release-branch.yml

@@ -118,8 +118,18 @@ jobs:
           rush build -t @azure/communication-react
         id: buildapifiles
 
-      - name: Commit beta release snapshots
-        if: ${{ startsWith(github.event.inputs.branch, 'prerelease-beta' )}}
+      - name: Check for API changes
+        id: API-check
+        run: |
+          if [[ -z $(git status packages/communication-react -s) ]]
+          then
+            echo "hasChanged=false" >> $GITHUB_OUTPUT
+          else
+            echo "hasChanged=true" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Commit API File changes
+        if: ${{ startsWith(github.event.inputs.branch, 'prerelease-beta' ) && steps.API-check.outputs.hasChanged == 'true'}}
         run: |
           git add packages/**/*.api.md
           git commit -m 'Update ${{ matrix.flavor }} API files'

change/@azure-communication-react-ebeb96cc-561b-4ab9-94b4-7db0173c04d8.json

@@ -0,0 +1,9 @@
+{
+  "type": "none",
+  "area": "fix",
+  "workstream": "Github actions",
+  "comment": "update action to not commit if there are no changes",
+  "packageName": "@azure/communication-react",
+  "email": "dmceachern@microsoft.com",
+  "dependentChangeType": "none"
+}