Allow auto merge for Dependabot PRs for all none major releases

Switch the if-statement from allowing semver-patch only, to not allow
semver-major releases. Doing so, we auto-merge dependabot pull requests
for patch and minor releases, IF the JDK8, JDK11, and JDK17 builds are
successful

#dependency-upgrade/automation

.github/workflows/dependabot-automation.yml

@@ -35,7 +35,7 @@ jobs:
           github-token: "${{ secrets.GITHUB_TOKEN }}"
 
       - name: Auto-merge Pull Request
-        if: ${{steps.metadata.outputs.update-type == 'version-update:semver-patch'}}
+        if: ${{steps.metadata.outputs.update-type != 'version-update:semver-major'}}
         run: gh pr merge --auto --merge "$PR_URL"
         env:
           PR_URL: ${{github.event.pull_request.html_url}}