Update cache-dependency-path in tests workflow

Author: BryceWDesign

.github/workflows/tests.yml

@@ -24,9 +24,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           cache: "pip"
-          cache-dependency-path: |
-            requirements.txt
-            pyproject.toml
+          cache-dependency-path: requirements.txt
 
       - name: Install dependencies
         run: |