chore: share gh actions setup across jobs

Author: damassi

.github/workflows/ci.yml

@@ -7,7 +7,19 @@ on:
     branches: [main]
 
 jobs:
+  setup:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Install dependencies
+        run: uv sync --all-groups
+
   lint:
+    needs: setup
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -22,6 +34,7 @@ jobs:
         run: uv run ruff check src tests
 
   typecheck:
+    needs: setup
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -36,6 +49,7 @@ jobs:
         run: uv run ty check src
 
   test:
+    needs: setup
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4