chore(deps): update swatinem/rust-cache action to v2.7.3 (#316)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -59,7 +59,7 @@ jobs:
       - name: Install musl tools
         if: matrix.target == 'x86_64-unknown-linux-musl'
         run: sudo apt-get install -y musl-tools
-      - uses: swatinem/rust-cache@v2.7.1
+      - uses: swatinem/rust-cache@v2.7.3
 
       - name: rust fmt
         uses: actions-rs/cargo@v1