Bump actions/cache from 5.0.2 to 5.0.3 (#15)

Bumps [actions/cache](https://github.com/actions/cache) from 5.0.2 to 5.0.3.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@8b402f5...cdf6c1f)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 5.0.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/example-test.yml

@@ -31,7 +31,7 @@ jobs:
         with:
           go-version: "1.25"
           cache: false
-      - uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+      - uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: |
             ~/.cache/go-build

.github/workflows/go-bench.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           go-version: ${{ matrix.go-version }}
           cache: false
-      - uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+      - uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: |
             ~/.cache/go-build

.github/workflows/go-test.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           go-version: "1.25"
           cache: false
-      - uses: actions/cache@8b402f58fbc84540c8b491a91e594a4576fec3d7 # v5.0.2
+      - uses: actions/cache@cdf6c1fa76f9f475f3d7449005a359c84ca0f306 # v5.0.3
         with:
           path: |
             ~/.cache/go-build