Add --system flag to uv pip install for GitHub Actions

Co-authored-by: sophiagavrila <[email protected]>

Author: Copilot

.github/workflows/pyright.yaml

@@ -21,7 +21,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies
       run: |
-        uv pip install hatch hatch-pip-compile
+        uv pip install --system hatch hatch-pip-compile
         hatch env create dev
     - run: echo "$(hatch env find dev)/bin" >> $GITHUB_PATH
     - name: Run pyright

.github/workflows/pytest.yaml

@@ -27,7 +27,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies
       run: |
-        uv pip install hatch hatch-pip-compile
+        uv pip install --system hatch hatch-pip-compile
         hatch env create dev
     - name: Test with pytest
       run: |

.github/workflows/ruff.yaml

@@ -21,7 +21,7 @@ jobs:
       uses: astral-sh/setup-uv@v5
     - name: Install dependencies
       run: |
-        uv pip install hatch hatch-pip-compile
+        uv pip install --system hatch hatch-pip-compile
         hatch env create dev
     - name: Lint with Ruff (check)
       run: |