refactor: change Bazel build configuration from 'fast' to 'local'

.github/actions/build-kernel/action.yml

@@ -74,7 +74,7 @@ runs:
         cp "${{ github.workspace }}/wild_gki.fragment" common/arch/arm64/configs/wild_gki.fragment
         tools/bazel build \
           --linkopt="--thinlto-cache-dir=/home/runner/.ld_cache" \
-          --config=fast \
+          --config=local \
           --defconfig_fragment=//common:arch/arm64/configs/wild_gki.fragment \
           --disk_cache=/home/runner/.cache/bazel/disk \
           //common:kernel_aarch64