eclipse-rdf4jGH-5266 Fix the CI by upgrading actions/cache@v2 (eclipse-rdf4j#5267)

Author: kenwenzel

.github/workflows/develop-status.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         java-version: ${{ matrix.jdk }}
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-jdk${{ matrix.jdk }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/main-status.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         java-version: ${{ matrix.jdk }}
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-jdk${{ matrix.jdk }}-maven-${{ hashFiles('**/pom.xml') }}

.github/workflows/pr-verify.yml

@@ -15,7 +15,7 @@ jobs:
       with:
         java-version: ${{ matrix.jdk }}
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-jdk${{ matrix.jdk }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -48,7 +48,7 @@ jobs:
       with:
         java-version: 11
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-jdk11-maven-${{ hashFiles('**/pom.xml') }}
@@ -81,7 +81,7 @@ jobs:
       with:
         java-version: 11
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-jdk11-maven-${{ hashFiles('**/pom.xml') }}
@@ -107,7 +107,7 @@ jobs:
         with:
           java-version: 11
       - name: Cache local Maven repository
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-jdk11-maven-${{ hashFiles('**/pom.xml') }}
@@ -133,7 +133,7 @@ jobs:
         with:
           java-version: 11
       - name: Cache local Maven repository
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-jdk11-maven-${{ hashFiles('**/pom.xml') }}