build(deps): bump actions/cache from 2 to 3

Bumps [actions/cache](https://github.com/actions/cache) from 2 to 3.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v2...v3)

---
updated-dependencies:
- dependency-name: actions/cache
  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/docs.yaml

@@ -31,7 +31,7 @@ jobs:
       run: poetry config virtualenvs.in-project true
 
     - name: set up python cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       id: python-cache
       with:
         path: .venv

.github/workflows/release-please.yml

@@ -42,7 +42,7 @@ jobs:
 
     - name: set up python cache
       if: ${{ steps.release.outputs.release_created }}
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       id: python-cache
       with:
         path: .venv

.github/workflows/tests.yaml

@@ -37,7 +37,7 @@ jobs:
       run: poetry config virtualenvs.in-project true
 
     - name: set up python cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       id: python-cache
       with:
         path: .venv