Update Gradle to v9.8.1

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -18,7 +18,7 @@ jobs:
 
       - uses: gradle/actions/setup-gradle@v6
         with:
-          gradle-version: 9.8.0
+          gradle-version: 9.8.1
 
       - run: gradle spotlessCheck --no-daemon
 
@@ -35,7 +35,7 @@ jobs:
 
       - uses: gradle/actions/setup-gradle@v6
         with:
-          gradle-version: 9.8.0
+          gradle-version: 9.8.1
 
       - name: scip-kotlinc tests
         run: gradle :scip-kotlinc:test --no-daemon