Chore(deps): 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>

Author: dependabot[bot]

.github/workflows/cluster-faces-test.yml

@@ -136,7 +136,7 @@ jobs:
         run: |
           rm -rf apps/recognize/models
 
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         id: photos-cache
         with:
           path: data/admin/files/
@@ -151,7 +151,7 @@ jobs:
           unzip IMDb-Face.zip
           rm IMDb-Face.zip
 
-      - uses: actions/cache/save@v3
+      - uses: actions/cache/save@v4
         with:
           path: data/admin/files/
           key: https://cloud.nextcloud.com/public.php/dav/files/wfDk23DBsXYrd4S/IMDb-Face.zip
@@ -163,7 +163,7 @@ jobs:
           # only use one core. GH actions has 2
           ./occ config:app:set --value 1 recognize tensorflow.cores
 
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         id: db-cache
         with:
           path: data/nextcloud.db
@@ -177,7 +177,7 @@ jobs:
           ./occ files:scan admin
           ./occ recognize:classify
 
-      - uses: actions/cache/save@v3
+      - uses: actions/cache/save@v4
         with:
           path: data/nextcloud.db
           key: ${{ steps.db-cache.outputs.cache-primary-key }}
@@ -194,7 +194,7 @@ jobs:
         run: |
           sqlite3 data/nextcloud.db "select x, y, path from oc_recognize_face_detections d LEFT JOIN oc_filecache c ON c.fileid = d.file_id where user_id = 'admin' ORDER BY path;" > out.txt
 
-      - uses: actions/cache/restore@v3
+      - uses: actions/cache/restore@v4
         id: clustering-cache
         with:
           path: out.json
@@ -251,7 +251,7 @@ jobs:
           cat out.xml | xq '.["d:multistatus"]["d:response"] | map(select(.["d:href"] | test("faces/.+?/.+?"))) | map({"href": .["d:href"], "realpath": .["d:propstat"][0]["d:prop"]["nc:realpath"], "face-detections": .["d:propstat"][0]["d:prop"]["nc:face-detections"] | fromjson | map({userId, x, y, height, width, clusterId}) })' > out.json
           cat out.json
 
-      - uses: actions/cache/save@v3
+      - uses: actions/cache/save@v4
         with:
           path: out.json
           key: ${{ steps.clustering-cache.outputs.cache-primary-key }}