Update of GitHub workflow file for supporting 5.x CI/CD

Author: vietj

.github/workflows/ci-matrix-5.x.yml

@@ -31,7 +31,7 @@ jobs:
 #            profile: '-PNativeKQueue'
     uses: ./.github/workflows/ci.yml
     with:
-      branch: ${{ github.event.pull_request.head.sha || github.ref_name }}
+      branch: ${{ inputs.branch }}
       jdk: ${{ matrix.jdk }}
       os: ${{ matrix.os }}
       profile: ${{ matrix.profile }}
@@ -41,6 +41,6 @@ jobs:
     needs: CI
     uses: ./.github/workflows/deploy.yml
     with:
-      branch: ${{ github.event.pull_request.head.sha || github.ref_name }}
+      branch: ${{ inputs.branch }}
       jdk: 11
     secrets: inherit