ci: get rid of the moonrepo/setup-rust action

Author: GuillaumeLagrange

.github/actions/rust-install/action.yml

@@ -0,0 +1,10 @@
+name: "Install Rust toolchain"
+description: "Install the Rust toolchain from rust-toolchain.toml and cache cargo artifacts"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install rust-toolchain.toml
+      shell: bash
+      run: rustup show
+    - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
         with:
           submodules: true
       - uses: actions/setup-go@v5
-      - uses: moonrepo/setup-rust@v1
+      - uses: ./.github/actions/rust-install
       - uses: pre-commit/action@v3.0.1
         with:
           extra_args: --all-files
@@ -36,7 +36,7 @@ jobs:
           go-version: ${{ matrix.go-version }}
       - uses: taiki-e/install-action@cargo-nextest
 
-      - uses: moonrepo/setup-rust@v1
+      - uses: ./.github/actions/rust-install
       - run: |
           cd go-runner
           cargo nextest run --all
@@ -60,9 +60,7 @@ jobs:
         with:
           submodules: true
       - uses: actions/setup-go@v5
-      - uses: moonrepo/setup-rust@v1
-        with:
-          cache-target: release
+      - uses: ./.github/actions/rust-install
 
       - name: Run the benchmarks
         uses: CodSpeedHQ/action@main
@@ -81,10 +79,8 @@ jobs:
           submodules: true
       - uses: actions/setup-go@v6
         with:
-          go-version: '1.25.x'
-      - uses: moonrepo/setup-rust@v1
-        with:
-          cache-target: release
+          go-version: "1.25.x"
+      - uses: ./.github/actions/rust-install
 
       - name: Run the benchmarks
         run: cargo r --release --manifest-path ../go-runner/Cargo.toml -- test -bench=. example -benchtime=500ms
@@ -122,12 +118,9 @@ jobs:
         with:
           lfs: true
           submodules: true
-      - name: Setup rust toolchain, cache and cargo-codspeed binary
-        uses: moonrepo/setup-rust@v1
-        with:
-          channel: stable
-          cache-target: release
-          bins: cargo-codspeed
+      - uses: ./.github/actions/rust-install
+      - name: Install cargo-codspeed
+        run: cargo install cargo-codspeed
 
       - uses: actions/setup-go@v5
         with: