ci(deps): Bump the actions group across 1 directory with 2 updates

Bumps the actions group with 2 updates in the / directory: [actions/cache](https://github.com/actions/cache) and [reviewdog/action-actionlint](https://github.com/reviewdog/action-actionlint).


Updates `actions/cache` from 5.1.0 to 6.1.0
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@caa2961...55cc834)

Updates `reviewdog/action-actionlint` from 1.74.0 to 1.76.0
- [Release notes](https://github.com/reviewdog/action-actionlint/releases)
- [Commits](reviewdog/action-actionlint@8b682e1...320fcdd)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: 6.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: reviewdog/action-actionlint
  dependency-version: 1.76.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -237,7 +237,7 @@ jobs:
       # Keyed on the role defaults, which is where the version + digest pin
       # lives: bumping grafana_alloy_version invalidates the cache by
       # construction, so a bump is always validated against the new binary.
-      - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ansible/.cache/alloy
           key: alloy-${{ runner.os }}-${{ hashFiles('ansible/roles/grafana_alloy/defaults/main.yml') }}
@@ -335,7 +335,7 @@ jobs:
         run: python -m pip install --upgrade pre-commit
       # Hook environments (node for markdownlint, the shellcheck image, yamllint's
       # virtualenv) keyed on the config that pins them.
-      - uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 # v5.1.0
+      - uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.cache/pre-commit
           key: pre-commit-${{ runner.os }}-${{ hashFiles('.pre-commit-config.yaml') }}
@@ -362,7 +362,7 @@ jobs:
       checks: write
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
-      - uses: reviewdog/action-actionlint@8b682e1e7e512151d73a6b9449cbff173846226e # v1.74.0
+      - uses: reviewdog/action-actionlint@320fcdd9c860767cf17fab3b20e22e739d5d02b8 # v1.76.0
         with:
           reporter: github-check
           fail_on_error: true