ci: Bump Swatinem/rust-cache from 2.7.2 to 2.7.3 (#87)

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.2 to 2.7.3.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@a226033...23bce25)

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

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

.github/workflows/ci.yaml

@@ -46,7 +46,7 @@ jobs:
           go-version: '1.20'
           cache-dependency-path: 'go-lib/go.sum'
 
-      - uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
+      - uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           shared-key: ${{ matrix.target }}
           # Always save the build artifacts to the cache to speed up builds of additional
@@ -79,7 +79,7 @@ jobs:
           toolchain: stable
           components: rustfmt
 
-      - uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
+      - uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         with:
           shared-key: "x86_64-unknown-linux-gnu"
           save-if: false
@@ -160,7 +160,7 @@ jobs:
           cross --version
 
       - name: Cache Rust deps
-        uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
+        uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
         if: ${{ !startsWith(github.ref, 'refs/tags/') }}
         with:
           shared-key: cross-${{ matrix.target }}