Use Java 21 as default

Author: slominskir

.github/workflows/gh-pages-publish.yaml

@@ -3,6 +3,10 @@ name: GitHub Pages Publish
 on:
   workflow_call:
     inputs:
+      java-version:
+        required: false
+        type: string
+        default: '21'
       semvertag:
         required: true
         type: string
@@ -27,7 +31,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: ${{ inputs.java-version }}
       - name: Setup Gradle
         uses: gradle/actions/setup-gradle@v4
         with:

.github/workflows/gh-release.yaml

@@ -3,6 +3,10 @@ name: GitHub Release
 on:
   workflow_call:
     inputs:
+      java-version:
+        required: false
+        type: string
+        default: '21'
       files:
         required: false
         type: string
@@ -27,7 +31,7 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 17
+          java-version: ${{ inputs.java-version }}
       - uses: gradle/actions/setup-gradle@v4
         with:
           gradle-version: wrapper

.github/workflows/maven-publish.yaml

@@ -2,6 +2,10 @@ name: Maven Central Publish
 
 on:
   workflow_call:
+    java-version:
+      required: false
+      type: string
+      default: '21'
     secrets:
       OSSRH_USERNAME:
         required: true
@@ -22,7 +26,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-java@v4
       with:
-        java-version: '17'
+        java-version: ${{ inputs.java-version }}
         distribution: temurin
     - uses: gradle/actions/setup-gradle@v4
       with:

.github/workflows/unit-ci.yaml

@@ -6,7 +6,7 @@ on:
       java-version:
         required: false
         type: string
-        default: '17'
+        default: '21'
 
 jobs:
   build: