.github/lint: Use proper multi-line syntax.

.github/workflows/lint.yml

@@ -22,12 +22,12 @@ jobs:
           python-version: '${{ matrix.python-version }}'
       - uses: actions/checkout@v2
       - name: 'Set up HaikuPorter'
-        run: >-
+        run: |
           cd .. && git clone https://github.com/haikuports/haikuporter.git --depth=1 && cd haikuports
           'PATH=$PATH:../haikuporter && export PATH'
           printf 'TREE_PATH="'`pwd`'"\nPACKAGER="Nobody <server@fake>"\nTARGET_ARCHITECTURE="x86"\n' >haikuports.conf
           wget https://github.com/waddlesplash/haiku-licenses/archive/master.zip && unzip master.zip
       - name: 'Lint new recipes'
-        run: >-
+        run: |
           cd haikuports
           ./lint-new-recipes.sh --config=haikuports.conf --licenses=haiku-licenses-master