chore: update workflows

Author: sebthom

.github/workflows/build.yml

@@ -3,7 +3,7 @@
 # SPDX-License-Identifier: EPL-2.0
 # SPDX-ArtifactOfProjectHomePage: https://github.com/sebthom/extra-syntax-highlighting-eclipse-plugin
 #
-# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions
+# https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax
 name: Build
 
 on:
@@ -32,7 +32,7 @@ on:
     - ".github/ISSUE_TEMPLATE/*"
     - ".github/workflows/stale.yml"
   workflow_dispatch:
-    # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#workflow_dispatch
+    # https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows#workflow_dispatch
     inputs:
       extra-maven-args:
         description: "Additional command-line arguments to append to all Maven invocations"

.github/workflows/stale.yml

@@ -1,12 +1,12 @@
-# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions
+# https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax
 name: Stale issues
 
 on:
   schedule:
-    # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
+    # https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows
     - cron: '0 15 1,15 * *'
   workflow_dispatch:
-    # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#workflow_dispatch
+    # https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows#workflow_dispatch
 
 permissions:
   issues: write

.github/workflows/update-syntaxes.yml

@@ -3,15 +3,15 @@
 # SPDX-License-Identifier: EPL-2.0
 # SPDX-ArtifactOfProjectHomePage: https://github.com/sebthom/extra-syntax-highlighting-eclipse-plugin
 #
-# https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions
+# https://docs.github.com/en/actions/reference/workflows-and-actions/workflow-syntax
 name: Update Syntax Files
 
 on:
   schedule:
-    # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows
+    # https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows
     - cron: '0 19 */2 * *' # every second day at 7 p.m. 
   workflow_dispatch:
-    # https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#workflow_dispatch
+    # https://docs.github.com/en/actions/reference/workflows-and-actions/events-that-trigger-workflows#workflow_dispatch
 
 
 defaults:
@@ -20,7 +20,7 @@ defaults:
 
 
 env:
-  JAVA_VERSION: 17
+  JAVA_VERSION: 21
 
 
 jobs:
@@ -59,7 +59,7 @@ jobs:
     - name: "Install: Maven"
       uses: stCarolas/setup-maven@v5  # https://github.com/stCarolas/setup-maven
       with:
-        maven-version: 3.9.9
+        maven-version: 3.9.1
 
 
     - name: "Install: Node LTS"