Update release workflow

Author: sormuras

.github/workflows/release.yml

@@ -10,14 +10,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: 'Check out repository'
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 0
+        uses: actions/checkout@v4
       - name: 'Set up Java'
-        uses: oracle-actions/setup-java@v1
+        uses: actions/setup-java@v1
+        with:
+          distribution: 'oracle'
+          java-version: 21
       - name: 'Count modules'
         id: count-modules
-        run: echo ::set-output name=size::$(wc --lines < com.github.sormuras.modules/com/github/sormuras/modules/modules.properties)
+        run: echo "size=$(wc --lines < com.github.sormuras.modules/com/github/sormuras/modules/modules.properties)" >> $GITHUB_OUTPUT
       - name: 'Build with Bach'
         run: |
           PATH=.bach/bin:$PATH