chore(deps): bump actions/cache from 4 to 5 (#60)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/CI.yml

@@ -56,7 +56,7 @@ jobs:
           version: "1"
 
       - name: Cache python dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .venv
@@ -172,7 +172,7 @@ jobs:
 
       - name: Set up cargo cache
         if: runner.os != 'macOS'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/
@@ -190,7 +190,7 @@ jobs:
 
       - name: Cache python dependencies
         if: runner.os != 'macOS'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .venv
@@ -320,7 +320,7 @@ jobs:
 
       - name: Cache python dependencies
         if: runner.os != 'macOS'
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .venv
@@ -431,7 +431,7 @@ jobs:
           python-version: "3.14"
 
       - name: Cache python dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             .venv

.github/workflows/coverage.yml

@@ -11,7 +11,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache dependencies
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: |
             ~/.cargo/bin/