Bump Swatinem/rust-cache from 1.3.0 to 1.4.0 (svartalf#6)

Bumps [Swatinem/rust-cache](/~https://github.com/Swatinem/rust-cache) from 1.3.0 to 1.4.0.
- [Release notes](/~https://github.com/Swatinem/rust-cache/releases)
- [Changelog](/~https://github.com/Swatinem/rust-cache/blob/v1/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@v1.3.0...v1.4.0)

---
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/ci.yml

@@ -45,7 +45,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
 
-      - uses: Swatinem/rust-cache@v1.3.0
+      - uses: Swatinem/rust-cache@v1.4.0
 
       - name: Build
         uses: actions-rs/cargo@v1.0.3
@@ -108,7 +108,7 @@ jobs:
           target: ${{ matrix.target }}
           override: true
 
-      - uses: Swatinem/rust-cache@v1.3.0
+      - uses: Swatinem/rust-cache@v1.4.0
 
       - name: Build
         uses: actions-rs/cargo@v1.0.3