Fixed test matrix config for PyPy2

Author: agronholm

.github/workflows/codeqa-test.yml

@@ -22,22 +22,22 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: [2.7, 3.5, 3.6, 3.8, pypy, pypy3]
+        python-version: [2.7, 3.5, 3.6, 3.8, pypy2, pypy3]
         exclude:
         - os: ubuntu-latest
           python-version: 3.6
         - os: macos-latest
           python-version: 3.6
         - os: macos-latest
-          python-version: pypy
+          python-version: pypy2
         - os: macos-latest
           python-version: pypy3
         - os: windows-latest
           python-version: 2.7
         - os: windows-latest
           python-version: 3.5
         - os: windows-latest
-          python-version: pypy
+          python-version: pypy2
         - os: windows-latest
           python-version: pypy3
     runs-on: ${{ matrix.os }}