Fix CI: Run qa/bin scripts through uv for dependency access

The qa/bin/functional and qa/bin/check_type_ignores scripts need
access to uv-installed packages like psutil. Running them through
`uv run` ensures they use the correct Python environment with all
dependencies available.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: thomas-mangin

.github/workflows/functional-testing.yml

@@ -41,16 +41,16 @@ jobs:
 
       - name: Configuration
         run: |
-          ./qa/bin/functional parsing
+          uv run ./qa/bin/functional parsing
 
       - name: Functional
         run: |
           # Get list of all test identifiers and run them sequentially
-          for test in $(./qa/bin/functional encoding --short-list); do
+          for test in $(uv run ./qa/bin/functional encoding --short-list); do
             echo "Running test: $test"
-            ./qa/bin/functional encoding "$test"
+            uv run ./qa/bin/functional encoding "$test"
           done
 
       - name: Decoding
         run: |
-          ./qa/bin/functional decoding
+          uv run ./qa/bin/functional decoding

.github/workflows/type-checking.yml

@@ -42,7 +42,7 @@ jobs:
       - name: Type ignore regression check (BLOCKING)
         run: |
           echo "Checking type:ignore count against baseline..."
-          ./qa/bin/check_type_ignores
+          uv run ./qa/bin/check_type_ignores
 
       - name: Full codebase type check (informational)
         run: |