chore(deps): bump actions/cache from 4.1.2 to 4.2.0 in the github group

Bumps the github group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 4.1.2 to 4.2.0
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@6849a64...1bd1e32)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yaml

@@ -49,7 +49,7 @@ jobs:
       - name: 📦 Install dependencies
         run: flutter pub get
       - name: ⚙️ Cache generated files
-        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         with:
           path: |
             .dart_tool/
@@ -119,7 +119,7 @@ jobs:
       - name: 📦 Install dependencies
         run: flutter pub get
       - name: ⚙️ Cache generated files
-        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         with:
           path: |
             .dart_tool/
@@ -173,7 +173,7 @@ jobs:
       - name: 📦 Install dependencies
         run: flutter pub get
       - name: ⚙️ Cache generated files
-        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         with:
           path: |
             .dart_tool/
@@ -221,7 +221,7 @@ jobs:
       - name: 📦 Install dependencies
         run: flutter pub get
       - name: ⚙️ Cache generated files
-        uses: actions/cache@6849a6489940f00c2f30c0fb92c6274307ccb58a # v4.1.2
+        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
         with:
           path: |
             .dart_tool/