chore(deps): bump Swatinem/rust-cache from 2.7.7 to 2.7.8

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.7 to 2.7.8.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@v2.7.7...v2.7.8)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-version: 2.7.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/code_coverage.yml

@@ -26,7 +26,7 @@ jobs:
             profile: minimal
             components: llvm-tools-preview
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - name: Install grcov
         run: if [[ ! -e ~/.cargo/bin/grcov ]]; then cargo install grcov; fi
       - name: Test

.github/workflows/cont_integration.yml

@@ -42,7 +42,7 @@ jobs:
             override: true
             profile: minimal
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - name: Pin dependencies for MSRV
         if: matrix.rust.version == '1.63.0'
         run: ./ci/pin-msrv.sh
@@ -70,7 +70,7 @@ jobs:
           profile: minimal
           # target: "thumbv6m-none-eabi"
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - name: Check bdk wallet
         working-directory: ./wallet
         # TODO "--target thumbv6m-none-eabi" should work but currently does not
@@ -100,7 +100,7 @@ jobs:
             profile: minimal
             target: "wasm32-unknown-unknown"
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - name: Check bdk wallet
         working-directory: ./wallet
         run: cargo check --target wasm32-unknown-unknown --no-default-features --features miniscript/no-std,bdk_chain/hashbrown
@@ -140,7 +140,7 @@ jobs:
             components: clippy
             override: true
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -170,7 +170,7 @@ jobs:
           override: true
           profile: minimal
       - name: Rust Cache
-        uses: Swatinem/[email protected].7
+        uses: Swatinem/[email protected].8
       - name: Build
         working-directory: examples/${{ matrix.example-dir }}
         run: cargo build