Bump Swatinem/rust-cache from 2.7.1 to 2.7.7 (#60)

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.7.1 to 2.7.7.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@v2.7.1...v2.7.7)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/build_jruby.yml

@@ -36,7 +36,7 @@ jobs:
       - name: Update Rust toolchain
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].3
+        uses: Swatinem/[email protected].7
       - name: Cargo build
         run: cargo build
       - name: Output CHANGELOG

.github/workflows/build_ruby.yml

@@ -41,7 +41,7 @@ jobs:
       - name: Update Rust toolchain
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].3
+        uses: Swatinem/[email protected].7
       - name: Cargo build
         run: cargo build
       - name: Output CHANGELOG

.github/workflows/ci.yml

@@ -23,7 +23,7 @@ jobs:
         # which include the latest stable release of Rust, Rustup, Clippy and rustfmt.
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].7
       - name: Clippy
         # Using --all-targets so tests are checked and --deny to fail on warnings.
         # Not using --locked here and below since Cargo.lock is in .gitignore.
@@ -43,7 +43,7 @@ jobs:
       - name: Update Rust toolchain
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].1
+        uses: Swatinem/[email protected].7
       - name: Run unit tests
         run: cargo test --all-features
 
@@ -65,7 +65,7 @@ jobs:
       - name: Update Rust toolchain
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].3
+        uses: Swatinem/[email protected].7
       - name: Cargo build (to make test logs shorter)
         run: cargo build
       - name: Output CHANGELOG
@@ -93,7 +93,7 @@ jobs:
       - name: Update Rust toolchain
         run: rustup update
       - name: Rust Cache
-        uses: Swatinem/[email protected].3
+        uses: Swatinem/[email protected].7
       - name: Cargo build (to make test logs shorter)
         run: cargo build
       - name: Output CHANGELOG