Bump Swatinem/rust-cache from 2.7.1 to 2.7.3 (#33)

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.1 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@v2.7.1...v2.7.3)

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

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

.github/workflows/rust.yml

@@ -25,7 +25,7 @@ jobs:
           toolchain: stable
           profile: minimal
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].3
       - name: Run tests
         run: cargo test --verbose
 
@@ -50,7 +50,7 @@ jobs:
       - name: Install RustFmt
         run: rustup component add rustfmt
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].3
       - name: Run format check
         run: cargo fmt --all --check
       - name: Run clippy
@@ -70,7 +70,7 @@ jobs:
       - name: Install Audit
         run: cargo install cargo-audit
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].3
       - name: Run Audit
         uses: actions-rs/cargo@v1
         with:
@@ -95,7 +95,7 @@ jobs:
         with:
           toolchain: ${{ matrix.rv }}
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].3
       - name: Cargo Build
         uses: actions-rs/cargo@v1
         with: