build(deps): bump Swatinem/rust-cache from 2.7.1 to 2.7.2 (#823)

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.1 to 2.7.2.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@3cf7f8c...a226033)

---
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/ci.yml

@@ -19,7 +19,7 @@ jobs:
           override: true
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+        uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
 
       - uses: actions-rs/cargo@v1
         with:
@@ -43,7 +43,7 @@ jobs:
           override: true
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+        uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
 
       - run: rustup target add wasm32-unknown-unknown
       - run: rustup target add mips64-unknown-linux-muslabi64
@@ -137,7 +137,7 @@ jobs:
           override: true
 
       - name: Rust Cache
-        uses: Swatinem/rust-cache@3cf7f8cc28d1b4e7d01e3783be10a97d55d483c8 # v2.7.1
+        uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
 
       - uses: actions-rs/cargo@v1
         with: