Update Swatinem/rust-cache action to v2.7.3 (#1230)

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

Author: renovate[bot]

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
       - run: rustup override set ${{ env.RUST_VERSION }}
       - run: rustup component add clippy
       - run: rustup component add rustfmt
-      - uses: Swatinem/rust-cache@a22603398250b864f7190077025cf752307154dc # v2.7.2
+      - uses: Swatinem/rust-cache@23bce251a8cd2ffc3c1075eaa2367cf899916d84 # v2.7.3
 
       - run: cargo clippy --workspace -- -D warnings
       - run: cargo fmt --check --all