Avoid cache overwrites by different runners that download different parts of maven

Author: DavyLandman

.github/workflows/build.yaml

@@ -19,6 +19,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
+      - run: echo " " >> pom.xml # make sure the cache is slightly different for these runners
       - name: Set up JDK
         uses: actions/setup-java@v4
         with:
@@ -48,6 +49,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - run: echo "  " >> pom.xml # make sure the cache is slightly different for the lint
       - name: Set up JDK 11
         uses: actions/setup-java@v4
         with: