Update actions/cache version.

Author: ScottTodd

.github/workflows/pkgci_build_packages.yml

@@ -42,7 +42,7 @@ jobs:
         sharkai_package_version=$(python3 build_tools/python_deploy/compute_common_version.py -rc --version-suffix=${version_suffix} --write-json)
 
     - name: Enable cache
-      uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
+      uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
       with:
         path: ${{ env.CACHE_DIR }}
         key: shark-ai-pkgci-linux-packages-x86_64-v1-${{ github.sha }}