build(deps): bump actions/cache from 3 to 4 (#1861)

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>

.github/workflows/algolia-update.yml

@@ -19,19 +19,19 @@ jobs:
     if: github.repository_owner == 'mbta'
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/cache/restore@v3
+    - uses: actions/cache/restore@v4
       with:
         path: ~/.asdf
         key: ci-asdf-cache-${{ hashFiles('.tool-versions') }}
         restore-keys: ci-asdf-cache-
     - uses: mbta/actions/reshim-asdf@v2
-    - uses: actions/cache/restore@v3
+    - uses: actions/cache/restore@v4
       with:
         path: deps
         key: ci-mix-cache-${{ hashFiles('mix.lock') }}
         restore-keys: ci-mix-cache-
       # the running application runs Webpack to render React stuff :(, so need NPM too
-    - uses: actions/cache/restore@v3
+    - uses: actions/cache/restore@v4
       with:
         path: assets/node_modules
         key: ci-nodejs-cache-${{ hashFiles('assets/package-lock.json') }}

.github/workflows/tests.yml

@@ -87,7 +87,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - uses: ./.github/actions/setup-all
-    - uses: actions/cache/restore@v3
+    - uses: actions/cache/restore@v4
       with:
         path: |
           _build