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](Swatinem/rust-cache@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/rust.yml

@@ -48,7 +48,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: cargo build --all-targets
       - run: cargo test
       - run: cargo test --manifest-path fuzz/Cargo.toml
@@ -59,7 +59,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: dtolnay/rust-toolchain@1.63.0
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: cargo check --lib --all-features -p quinn-udp -p quinn-proto -p quinn
 
   lint:
@@ -69,7 +69,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           components: rustfmt, clippy
-      - uses: Swatinem/rust-cache@v1
+      - uses: Swatinem/rust-cache@v2
       - run: cargo fmt --all -- --check
       - run: cargo clippy --all-targets -- -D warnings
       - uses: dtolnay/rust-toolchain@stable