deps: bump Swatinem/rust-cache in the github-actions group

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


Updates `Swatinem/rust-cache` from 2.7.3 to 2.7.5
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@v2.7.3...v2.7.5)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/ci.yaml

@@ -27,7 +27,7 @@ jobs:
           components: rustfmt, clippy
           targets: thumbv7em-none-eabi
 
-      - uses: Swatinem/rust-cache@v2.7.3
+      - uses: Swatinem/rust-cache@v2.7.5
 
       - run: cargo fmt --all -- --check
         working-directory: ${{ matrix.folder }}

.github/workflows/main.yaml

@@ -24,7 +24,7 @@ jobs:
           components: rustfmt, clippy
           targets: thumbv7em-none-eabi
 
-      - uses: Swatinem/rust-cache@v2.7.3
+      - uses: Swatinem/rust-cache@v2.7.5
 
       - run: cargo fmt --all -- --check
         working-directory: ${{ matrix.folder }}