Update Actions to v4

Author: sunye

.github/workflows/maven.yml

@@ -16,15 +16,15 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
+      - uses: actions/checkout@v4
+      - name: Set up JDK 22
+        uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '22'
           distribution: 'temurin'
           cache: maven
       - name: Cache Maven packages
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
@@ -44,11 +44,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: build-bundles
     steps:
-      - uses: actions/checkout@v3
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
+      - uses: actions/checkout@v4
+      - name: Set up JDK 22
+        uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '22'
           distribution: 'temurin'
           cache: maven
       - name: Build plugins with Tycho
@@ -58,11 +58,11 @@ jobs:
     runs-on: ubuntu-latest
     needs: build-bundles
     steps:
-      - uses: actions/checkout@v3
-      - name: Set up JDK 17
-        uses: actions/setup-java@v3
+      - uses: actions/checkout@v4
+      - name: Set up JDK 2
+        uses: actions/setup-java@v4
         with:
-          java-version: '17'
+          java-version: '22'
           distribution: 'temurin'
           cache: maven
       - name: Install GPG key

neoemf-utils/p2/pom.xml

@@ -20,13 +20,14 @@
 
     <properties>
         <tycho-plugin.version>4.0.9</tycho-plugin.version>
+        <compare.url>http://download.eclipse.org/modeling/emf/compare/updates/releases/3.3</compare.url>
     </properties>
 
     <repositories>
         <repository>
             <id>emf-compare</id>
             <layout>p2</layout>
-            <url>https://download.eclipse.org/modeling/emf/compare/updates/releases/3.3/R202406060900/</url>
+            <url>${compare.url}</url>
         </repository>
         <repository>
             <id>2024-12</id>