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] <[email protected]>

.github/workflows/bootstrap.yml

@@ -43,7 +43,7 @@ jobs:
           rm -rf ~/.config/cabal
           rm -rf ~/.cache/cabal
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         name: Cache the downloads
         id: bootstrap-cache
         with:

.github/workflows/changelogs.yml

@@ -29,7 +29,7 @@ jobs:
         # https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#adding-a-system-path
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cabal/store
           key: linux-store-changelogs

.github/workflows/quick-jobs.yml

@@ -24,7 +24,7 @@ jobs:
         # https://docs.github.com/en/free-pro-team@latest/actions/reference/workflow-commands-for-github-actions#adding-a-system-path
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cabal/store
           key: linux-store-meta
@@ -65,7 +65,7 @@ jobs:
       - name: Set PATH
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cabal/store
           key: linux-store-doctest
@@ -99,7 +99,7 @@ jobs:
       - name: Set PATH
         run: |
           echo "$HOME/.cabal/bin" >> $GITHUB_PATH
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cabal/store
           key: linux-store-buildinfo-doc-diff

.github/workflows/validate.yml

@@ -101,7 +101,7 @@ jobs:
 
       #  See the following link for a breakdown of the following step
       #  https://github.com/haskell/actions/issues/7#issuecomment-745697160
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           # validate.sh uses a special build dir
           path: |
@@ -267,7 +267,7 @@ jobs:
       # As we are reusing the cached build dir from the previous step
       # the generated artifacts are available here,
       # including the cabal executable and the test suite
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: |
             ${{ steps.setup-haskell.outputs.cabal-store }}