Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
         python-version: 3.8
     - name: set PY
       run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
-    - uses: actions/cache@v3
+    - uses: actions/cache@v4
       with:
         path: ~/.cache/pre-commit
         key: pre-commit|${{ env.PY }}|${{ hashFiles('.pre-commit-config.yaml') }}
@@ -51,7 +51,7 @@ jobs:
       run: |
         git lfs ls-files -l | cut -d' ' -f1 | sort > .lfs-assets-id
     - name: Restore LFS cache
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       id: lfs-cache
       with:
         path: .git/lfs