build(deps): bump Swatinem/rust-cache from 1 to 2

Bumps [Swatinem/rust-cache](https://github.com/Swatinem/rust-cache) from 1 to 2.
- [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/v1...v2)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/macos.yml

@@ -36,7 +36,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - uses: actions-rs/cargo@v1
         with:
           command: test

.github/workflows/main.yml

@@ -38,7 +38,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: sudo apt-get update
       - run: sudo apt install libwebkit2gtk-4.0-dev libgtk-3-dev libayatana-appindicator3-dev
       - uses: actions-rs/cargo@v1
@@ -57,7 +57,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: sudo apt-get update
       - run: sudo apt install libwebkit2gtk-4.0-dev libgtk-3-dev libayatana-appindicator3-dev
       - uses: davidB/rust-cargo-make@v1
@@ -79,7 +79,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: rustup component add rustfmt
       - uses: actions-rs/cargo@v1
         with:
@@ -97,7 +97,7 @@ jobs:
           profile: minimal
           toolchain: stable
           override: true
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: sudo apt-get update
       - run: sudo apt install libwebkit2gtk-4.0-dev libgtk-3-dev libayatana-appindicator3-dev
       - run: rustup component add clippy