Bump coursier/cache-action from 6 to 7

Bumps [coursier/cache-action](https://github.com/coursier/cache-action) from 6 to 7.
- [Release notes](https://github.com/coursier/cache-action/releases)
- [Commits](coursier/cache-action@v6...v7)

---
updated-dependencies:
- dependency-name: coursier/cache-action
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       with:
         fetch-depth: 0
         submodules: true
-    - uses: coursier/cache-action@v6
+    - uses: coursier/cache-action@v7
     - uses: coursier/[email protected]
       with:
         jvm: 21
@@ -39,7 +39,7 @@ jobs:
       with:
         fetch-depth: 0
         submodules: true
-    - uses: coursier/cache-action@v6
+    - uses: coursier/cache-action@v7
     - uses: coursier/[email protected]
       with:
         jvm: 21
@@ -54,7 +54,7 @@ jobs:
       with:
         fetch-depth: 0
         submodules: true
-    - uses: coursier/cache-action@v6
+    - uses: coursier/cache-action@v7
     - uses: coursier/[email protected]
       with:
         jvm: 21