feat(ci): actually cache gobuilds

Author: PrivatePuffin

.github/workflows/clustertool.release.yaml

@@ -14,6 +14,7 @@ jobs:
       - uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5
         with:
           go-version: stable
+          cache: true
       # - name: Install Syft
       #   run: sudo curl -sSfL https://raw.githubusercontent.com/anchore/syft/main/install.sh | sh -s -- -b /usr/local/bin
       - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4