chore(ci): Move off of actions-rs

Author: epage

.github/workflows/post-release.yml

@@ -85,12 +85,10 @@ jobs:
         sudo apt-get update
         sudo apt-get install -y --no-install-recommends xz-utils liblz4-tool musl-tools
     - name: Install Rust
-      uses: actions-rs/toolchain@v1
+      uses: dtolnay/rust-toolchain@stable
       with:
         toolchain: ${{ matrix.rust }}
-        profile: minimal
-        override: true
-        target: ${{ matrix.target }}
+        targets: ${{ matrix.target }}
     - name: Build release binary
       run: cargo build --target ${{ matrix.target }} --verbose --release
     - name: Build archive