update spotbugs-maven-plugin version in gha

Author: JuditKnoll

.github/workflows/spotbugs.yml

@@ -20,7 +20,7 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-maven-
     - name: Build with Maven
-      run: mvn clean install -DskipTests com.github.spotbugs:spotbugs-maven-plugin:3.1.12:spotbugs
+      run: mvn clean install -DskipTests com.github.spotbugs:spotbugs-maven-plugin:4.8.6.1:spotbugs
     - uses: jwgmeligmeyling/spotbugs-github-action@master
       with:
         path: '**/spotbugsXml.xml'