replacing macos by ubuntu

.github/workflows/coverage.yml

@@ -6,26 +6,22 @@ on:
   pull_request:
 env:
   RUSTFLAGS: "-D warnings"
-
 jobs:
   coverage:
     runs-on: ${{ matrix.platform }}
     name: "${{ matrix.example }} - ${{ matrix.platform }}"
     strategy:
       matrix:
-        platform: [macos-latest]
+        platform: [ubuntu-latest]
         toolchain: [stable]
     steps:
       - uses: actions/checkout@v3
-      - name: Install Homebrew
-        run: |
-          /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
       - name: Install LLVM
-        run: brew install llvm
-      - name: Add LLVM to PATH
-        run: echo "/opt/homebrew/opt/llvm/bin" >> $GITHUB_PATH
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y llvm clang
       - name: Install cargo-llvm-cov
-        run: brew install cargo-llvm-cov
+        run: cargo install cargo-llvm-cov
       - name: Llvm version
         run: llvm-config --version
       - name: Clang version