Merge pull request #18 from dhis2/deploy-workflow-fix

fix: Do not fail when there is nothing to commit bumping version

Author: enricocolasante

.github/workflows/deploy.yml

@@ -23,7 +23,7 @@ jobs:
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           git add ./pom.xml
-          git commit -m "release: bump maven version"
+          git diff-index --quiet HEAD || git commit -m "release: bump maven version"
 
       - name: Push changes
         uses: ad-m/github-push-action@master
@@ -45,4 +45,4 @@ jobs:
           nexus_password: ${{ secrets.NEXUS_PASSWORD }}
           gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
           gpg_passphrase: ${{ secrets.GPG_PASSPHRASE }}
-          maven_profiles: "nexus"
+          maven_profiles: "nexus"