Fix typos

Author: ClausKlein

.github/workflows/linux.yml

@@ -36,9 +36,8 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install build tools
-        run: >-
+        run: |
           sudo apt-get install ninja-build -y -q
-
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
           sudo sudo ./llvm.sh 19 # all

.github/workflows/macos.yml

@@ -46,8 +46,8 @@ jobs:
 
       - name: Install llvm-19
         if: startsWith(matrix.compiler, 'clang')
-        run: >-
-          brew install llvm-19 | echo ignored
+        run: |
+          brew install llvm@19 || echo ignored
 
       - name: macos clang++-18 ${{ matrix.sanitizer }}
         if: startsWith(matrix.compiler, 'clang')