chore(deps): update actions/cache action to v4 (#210)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/cache](https://togithub.com/actions/cache) | action | major |
`v3` -> `v4` |

---

### Release Notes

<details>
<summary>actions/cache (actions/cache)</summary>

### [`v4`](https://togithub.com/actions/cache/compare/v3...v4)

[Compare Source](https://togithub.com/actions/cache/compare/v3...v4)

</details>

---

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---

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.github/workflows/analysis-coverage.yml

@@ -81,7 +81,7 @@ jobs:
 
       - name: cache-nextcloud
         id: nextcloud_setup
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: nextcloud-${{ matrix.nextcloud }}.tar.bz2
           key: ${{ matrix.nextcloud }}
@@ -242,7 +242,7 @@ jobs:
 
       - name: cache-nextcloud
         id: nextcloud_setup
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: nextcloud-${{ matrix.nextcloud }}.tar.bz2
           key: ${{ matrix.nextcloud }}