Update CI configuration

Author: ctrueden

.github/workflows/build.yml

@@ -15,22 +15,24 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Set up Java
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '11'
           distribution: 'zulu'
           cache: 'maven'
       - name: Set up CI environment
         run: .github/setup.sh
+        shell: bash
       - name: Execute the build
         run: .github/build.sh
+        shell: bash
         env:
           GPG_KEY_NAME: ${{ secrets.GPG_KEY_NAME }}
           GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
           MAVEN_USER: ${{ secrets.MAVEN_USER }}
           MAVEN_PASS: ${{ secrets.MAVEN_PASS }}
-          OSSRH_USER: ${{ secrets.OSSRH_USER }}
-          OSSRH_PASS: ${{ secrets.OSSRH_PASS }}
+          CENTRAL_USER: ${{ secrets.CENTRAL_USER }}
+          CENTRAL_PASS: ${{ secrets.CENTRAL_PASS }}
           SIGNING_ASC: ${{ secrets.SIGNING_ASC }}