Fix typo in CI path to .requirements dir.

Author: nathanjmcdougall

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
 
       - name: Setup dependencies
         run: |
-          uv pip install --system -r ./requirements/${{ matrix.python-version }}-${{ runner.os }}.txt
+          uv pip install --system -r .requirements/${{ matrix.python-version }}-${{ runner.os }}.txt
           uv pip install --system pytest pytest-md pytest-emoji
 
       - name: Run pytest