Bump actions/cache from 3.0.7 to 3.0.8 (#1264)

Bumps [actions/cache](https://github.com/actions/cache) from 3.0.7 to 3.0.8.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v3.0.7...v3.0.8)

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

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>

.github/workflows/test-library.yml

@@ -135,7 +135,7 @@ jobs:
     - name: Set up pip cache
       if: >-
         steps.request-check.outputs.release-requested != 'true'
-      uses: actions/cache@v3.0.7
+      uses: actions/cache@v3.0.8
       with:
         path: ${{ steps.pip-cache-dir.outputs.dir }}
         key: >-
@@ -244,7 +244,7 @@ jobs:
       run: >-
         echo "::set-output name=dir::$(pip cache dir)"
     - name: Set up pip cache
-      uses: actions/cache@v3.0.7
+      uses: actions/cache@v3.0.8
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: >-
@@ -369,7 +369,7 @@ jobs:
       run: >-
         echo "::set-output name=dir::$(pip cache dir)"
     - name: Set up pip cache
-      uses: actions/cache@v3.0.7
+      uses: actions/cache@v3.0.8
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: >-
@@ -486,7 +486,7 @@ jobs:
       run: >-
         echo "::set-output name=dir::$(pip cache dir)"
     - name: Set up pip cache
-      uses: actions/cache@v3.0.7
+      uses: actions/cache@v3.0.8
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: >-