Use Swatinem/rust-cache instead of actions/cache

Author: zanieb

Diff for: .github/workflows/apple.yml

@@ -22,17 +22,7 @@ jobs:
         with:
           toolchain: stable
 
-      - name: Emit rustc version
-        run: |
-          rustc --version > .rustc-version
-
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-pythonbuild-${{ hashFiles('Cargo.lock', '.rustc-version') }}
+      - uses: Swatinem/rust-cache@v2
 
       - name: Build
         run: |

Diff for: .github/workflows/linux.yml

@@ -27,17 +27,7 @@ jobs:
         with:
           toolchain: stable
 
-      - name: Emit rustc version
-        run: |
-          rustc --version > .rustc-version
-
-      - uses: actions/cache@v4
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-pythonbuild-${{ hashFiles('Cargo.lock', '.rustc-version') }}
+      - uses: Swatinem/rust-cache@v2
 
       - name: Build
         run: |

Diff for: .github/workflows/windows.yml

@@ -22,17 +22,7 @@ jobs:
         with:
           toolchain: stable
 
-      - name: Emit rustc version
-        run: |
-          rustc --version > .rustc-version
-
-      - uses: actions/cache@v4
-        with:
-          path: |
-            C:/Rust/.cargo/registry
-            C:/Rust/.cargo/git
-            target
-          key: ${{ runner.os }}-pythonbuild-${{ hashFiles('Cargo.lock', '.rustc-version') }}
+      - uses: Swatinem/rust-cache@v2
 
       - name: Build
         run: |