chore(deps): bump actions/cache from 5 to 6 (#149)

Bumps [actions/cache](https://github.com/actions/cache) from 5 to 6.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v5...v6)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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/goreleaser.yml

@@ -25,7 +25,7 @@ jobs:
           go-version: ">=1.26"
 
       - name: cache go modules
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/go/pkg/mod
           key: "${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}"

.github/workflows/unit-tests.yml

@@ -19,7 +19,7 @@ jobs:
           go-version: ">=1.26"
 
       - name: cache go modules
-        uses: actions/cache@v5
+        uses: actions/cache@v6
         with:
           path: ~/go/pkg/mod
           key: "${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}"