Update actions/setup-java action to v4

Author: renovate[bot]

.github/workflows/codecov.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: 11

.github/workflows/mvn.yml

@@ -16,7 +16,7 @@ jobs:
         java: [11, 17]
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-java@v3
+      - uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: ${{ matrix.java }}