Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/build_workflow.yml

@@ -41,7 +41,7 @@ jobs:
 
       - if: ${{ steps.skip_check.outputs.should_skip != 'true' }}
         name: Cache Conda
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         env:
           # Increase this value to reset cache if conda-dev-spec.template has not changed in the workflow
           CACHE_NUMBER: 0

.github/workflows/docs_workflow.yml

@@ -26,7 +26,7 @@ jobs:
           fetch-depth: 0
 
       - name: Cache Conda
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         env:
           # Increase this value to reset cache if deploy/conda-dev-spec.template has not changed in the workflow
           CACHE_NUMBER: 0