Update Swatinem/rust-cache action to v2.7.8

Author: renovate[bot]

Diff for: .github/workflows/ci.yml

@@ -105,7 +105,7 @@ jobs:
       - run: rustup component add rustfmt
       - run: rustup component add clippy
 
-      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
 
@@ -124,7 +124,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
 
@@ -154,7 +154,7 @@ jobs:
       # Remove the Android SDK to free up space
       - run: sudo rm -rf /usr/local/lib/android
 
-      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
 

Diff for: .github/workflows/smoke-test.yml

@@ -19,7 +19,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@f0deed1e0edfc6a9be95417288c0e1099b1eeec3 # v2.7.7
+      - uses: Swatinem/rust-cache@9d47c6ad4b02e050fd481d890b2ea34778fd09d6 # v2.7.8
       - run: cargo build --package crates_io_smoke_test
       - run: cargo run --package crates_io_smoke_test --quiet
         env: