Bump Swatinem/rust-cache from 1 to 2 (#200)

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

Author: dependabot[bot]

.github/workflows/ci.yaml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache cargo
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
       - uses: IronCoreLabs/rust-toolchain@v1
         with:
           toolchain: nightly
@@ -52,7 +52,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache cargo
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
       - uses: IronCoreLabs/rust-toolchain@v1
         with:
           toolchain: stable
@@ -77,7 +77,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache cargo
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
       - uses: IronCoreLabs/rust-toolchain@v1
         with:
           toolchain: ${{ matrix.rust }}
@@ -102,7 +102,7 @@ jobs:
         with:
           ref: ${{ matrix.ref }}
       - name: Cache cargo
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
       - uses: IronCoreLabs/rust-toolchain@v1
         with:
           toolchain: stable
@@ -130,7 +130,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Cache cargo
-        uses: Swatinem/rust-cache@v1
+        uses: Swatinem/rust-cache@v2
       - name: Retrieve benchmark results
         uses: actions/download-artifact@v4
         with: