build(deps): bump Swatinem/rust-cache from 2.3.0 to 2.4.0 (#6741)

Bumps [Swatinem/rust-cache](https://github.com/Swatinem/rust-cache) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/Swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Swatinem/rust-cache/compare/v2.3.0...v2.4.0)

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

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

.github/workflows/continous-integration-os.yml

@@ -101,7 +101,7 @@ jobs:
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=${{ matrix.rust }} --profile=minimal
 
 
-      - uses: Swatinem/rust-cache@v2.3.0
+      - uses: Swatinem/rust-cache@v2.4.0
         # TODO: change Rust cache target directory on Windows,
         #       or remove this workaround once the build is more efficient (#3005).
         #with:
@@ -236,7 +236,7 @@ jobs:
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=stable --profile=minimal
 
-      - uses: Swatinem/rust-cache@v2.3.0
+      - uses: Swatinem/rust-cache@v2.4.0
         with:
           shared-key: "clippy-cargo-lock"
 

.github/workflows/docs.yml

@@ -56,7 +56,7 @@ jobs:
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=beta --profile=default
 
-      - uses: Swatinem/rust-cache@v2.3.0
+      - uses: Swatinem/rust-cache@v2.4.0
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1.2.0

.github/workflows/lint.yml

@@ -86,7 +86,7 @@ jobs:
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain=stable --profile=default
 
-      - uses: Swatinem/rust-cache@v2.3.0
+      - uses: Swatinem/rust-cache@v2.4.0
         with:
           shared-key: "clippy-cargo-lock"
 
@@ -131,7 +131,7 @@ jobs:
 
       # We don't cache `fmt` outputs because the job is quick,
       # and we want to use the limited GitHub actions cache space for slower jobs.
-      #- uses: Swatinem/rust-cache@v2.3.0
+      #- uses: Swatinem/rust-cache@v2.4.0
 
       - run: |
           cargo fmt --all -- --check