Update .github/workflows/test.yml

Co-authored-by: Aaron Abbott <[email protected]>

Author: owais

.github/workflows/test.yml

@@ -98,6 +98,6 @@ jobs:
         uses: actions/cache@v2
         with:
           path: .tox
-          key: tox-cache-${{ matrix.tox-environment }}-${{ hashFiles('tox.ini', 'dev-requirements.txt') }}-${{ hashFiles('tox.ini', 'docs-requirements.txt') }}
+          key: tox-cache-${{ matrix.tox-environment }}-${{ hashFiles('tox.ini', 'dev-requirements.txt', 'docs-requirements.txt') }}
       - name: run tox
         run: tox -e ${{ matrix.tox-environment }}