Bump actions/cache from 3 to 4 (#884)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/deploy_dev.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Install dependencies
         run: pdm install -G doc
       - name: Set up build cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           key: mkdocs-material-${{ github.ref }}

.github/workflows/deploy_latest.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Install dependencies
         run: pdm install -G doc
       - name: Set up build cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           key: mkdocs-material-${{ github.ref }}

.github/workflows/doc.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Install dependencies
         run: pdm install -G doc
       - name: Set up build cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         id: cache
         with:
           key: mkdocs-material-${{ github.ref }}