CI: use ubuntu-latest as default cmov test runner (#1439)

Author: tarcieri

.github/workflows/cmov.yml

@@ -71,30 +71,26 @@ jobs:
 
           # `x86` Linux (32-bit)
           - target: i686-unknown-linux-gnu
-            platform: ubuntu-latest
             rust: 1.85.0 # MSRV
             deps: sudo apt update && sudo apt install gcc-multilib
           - target: i686-unknown-linux-gnu
-            platform: ubuntu-latest
             rust: stable
             deps: sudo apt update && sudo apt install gcc-multilib
 
           # `x86_64` Linux
           - target: x86_64-unknown-linux-gnu
-            platform: ubuntu-latest
             rust: 1.85.0 # MSRV
           - target: x86_64-unknown-linux-gnu
-            platform: ubuntu-latest
             rust: stable
 
           # `x86_64` Windows
           - target: x86_64-pc-windows-msvc
-            platform: windows-latest
+            runner: windows-latest
             rust: 1.85.0 # MSRV
           - target: x86_64-pc-windows-msvc
-            platform: windows-latest
+            runner: windows-latest
             rust: stable
-    runs-on: ${{ matrix.platform }}
+    runs-on: ${{ matrix.runner != '' && matrix.runner || 'ubuntu-latest' }}
     steps:
       - uses: actions/checkout@v6
       - uses: RustCrypto/actions/cargo-cache@master
@@ -103,7 +99,7 @@ jobs:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
       - run: ${{ matrix.deps }}
-      - run: cargo test --target ${{ matrix.target }}
+      - run: cargo test --target ${{ matrix.target }} --all-features
 
   # Test using `cargo careful`
   test-careful: