Update Swatinem/rust-cache action to v2.7.7 (#1217)

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

.github/workflows/rust.yml

@@ -33,7 +33,7 @@ jobs:
         run: cargo --version
       - name: Report Clippy version
         run: cargo clippy -- --version
-      - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
+      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
       - name: Run Clippy Lints
         run: cargo clippy --all-targets -- --deny warnings
 
@@ -53,7 +53,7 @@ jobs:
         run: cargo --version
       - name: Report rustc version
         run: rustc --version
-      - uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
+      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
         with:
           # Matrix instances other than OS need to be added to this explicitly
           key: ${{ matrix.features }}