fix condition

Author: dmitry-shibanov

.github/workflows/e2e-cache.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Install dependencies
         shell: pwsh
         run: |
-          if (${{ matrix.python-version }} -Match "pypy") {
+          if ("${{ matrix.python-version }}" -Match "pypy") {
             pipenv install flake8 --python pypy
           } else {
             pipenv install flake8 --python ${{ matrix.python-version }}
@@ -97,7 +97,7 @@ jobs:
       - name: Install dependencies
         shell: pwsh
         run: |
-          if (${{ matrix.python-version }} -Match "pypy") {
+          if ("${{ matrix.python-version }}" -Match "pypy") {
             pipenv install flake8 --python pypy
           } else {
             pipenv install flake8 --python ${{ matrix.python-version }}