Extract Java version in workflows into a dedicated file

.github/renovate.json

@@ -2,5 +2,19 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": [
     "config:recommended"
+  ],
+  "customManagers": [
+    {
+      "customType": "regex",
+      "fileMatch": [
+        "\\.java-version$"
+      ],
+      "matchStrings": [
+        "(?<currentValue>.*)\\n"
+      ],
+      "datasourceTemplate": "java-version",
+      "depNameTemplate": "java",
+      "extractVersionTemplate": "^(?<version>\\d+)"
+    }
   ]
 }

.github/workflows/.java-version

@@ -0,0 +1 @@
+17

.github/workflows/quality.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -45,7 +45,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -69,7 +69,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -105,8 +105,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          # TODO use java-version-file when the corresponding PR is merged
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -144,7 +143,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4
@@ -162,7 +161,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Set up Gradle
         uses: gradle/actions/setup-gradle@v4

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Java
         uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version-file: .github/workflows/.java-version
           distribution: 'temurin'
       - name: Publish to GitHub Packages
         run: ./gradlew publish