Bump actions/cache from 4.1.2 to 4.2.0

Bumps [actions/cache](https://github.com/actions/cache) from 4.1.2 to 4.2.0.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@6849a64...1bd1e32)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/release-cni-plugin.yml

@@ -33,7 +33,7 @@ jobs:
       id-token: write # needed for signing the images with GitHub OIDC token
     steps:
       # Build multi-arch docker images for cni-plugin:
-      - uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a
+      - uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57
         with:
           path: ${{ runner.temp }}/.buildx-cache
           key: cni-plugin-${{ needs.meta.outputs.mode }}-${{ needs.meta.outputs.version }}

.github/workflows/release-proxy-init.yml

@@ -33,7 +33,7 @@ jobs:
       id-token: write # needed for signing the images with GitHub OIDC token
     steps:
       # Build multi-arch docker images for proxy-init:
-      - uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a
+      - uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57
         with:
           path: ${{ runner.temp }}/.buildx-cache
           key: proxy-init-${{ needs.meta.outputs.mode }}-${{ needs.meta.outputs.version }}