Workflow yaml multiline string

.github/workflows/build.yml

@@ -5,8 +5,8 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        buildtype: ['debug', 'release']
         arch: ['x86', 'x64']
+        buildtype: ['debug', 'release']
     runs-on: ${{matrix.os}}
     steps:
       - name: Checkout this repo
@@ -15,9 +15,10 @@ jobs:
           path: 'hl2sdk-starter'
           submodules: 'recursive'
       - name: Install dependencies
-        run: sudo apt-get update && \
-          sudo apt-get install gcc gcc-multilib g++ g++-multilib \
-          python3 python3-pip python3-setuptools python3-wheel ninja-build && \
+        run: >
+          sudo apt-get update &&
+          sudo apt-get install gcc gcc-multilib g++ g++-multilib
+          python3 python3-pip python3-setuptools python3-wheel ninja-build &&
           pip3 install --user meson
       - name: Build ${{matrix.arch}} ${{matrix.buildtype}}
         run: cd ${{ github.workspace }}/hl2sdk-starter && \