chore(deps): bump the actions group with 2 updates (#384)

Bumps the actions group with 2 updates: [hustcer/setup-nu](https://github.com/hustcer/setup-nu) and [actions/cache](https://github.com/actions/cache).


Updates `hustcer/setup-nu` from 3.21 to 3.22
- [Release notes](https://github.com/hustcer/setup-nu/releases)
- [Changelog](https://github.com/hustcer/setup-nu/blob/main/CHANGELOG.md)
- [Commits](hustcer/setup-nu@3a97c81...920172d)

Updates `actions/cache` from 4 to 5
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: hustcer/setup-nu
  dependency-version: '3.22'
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Brendan <2bndy5@gmail.com>

Author: dependabot[bot]

.github/workflows/self-test.yml

@@ -45,7 +45,7 @@ jobs:
 
       - name: Cache the build artifacts
         id: cache-build
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: build
           key: ${{ runner.os }}-${{ hashFiles('docs/examples/demo/**') }}

action.yml

@@ -242,7 +242,7 @@ runs:
     - name: Setup nu shell
       # I'm done writing everything twice (in bash and powershell)
       # With nu shell, we use the same shell/script for all platforms
-      uses: hustcer/setup-nu@3a97c8160c2bb5af321a03336e7addc28f94444e # v3.20.0
+      uses: hustcer/setup-nu@920172d92eb04671776f3ba69d605d3b09351c30 # v3.22
       with:
         version: '0.106.1'
 
@@ -265,7 +265,7 @@ runs:
 
     - name: Enable cache
       if: inputs.cache-enable == 'true' || inputs.cache-enable == true
-      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
+      uses: actions/cache@9255dc7a253b0ccc959486e2bca901246202afeb # v5.0.1
       with:
         path: ${{ runner.temp }}/cpp-linter-action-cache
         key: cpp-linter-action_${{ runner.os }}_${{ steps.compute-cache-key.outputs.key }}