ci: bump astral-sh/setup-uv to v7 to fix Node 20 deprecation

Author: ericwang401

.github/workflows/release.yml

@@ -48,7 +48,7 @@ jobs:
       # `uv lock --check` fails if the lock is out of date (e.g. the version was
       # bumped in pyproject.toml but uv.lock was never re-locked to match).
       - name: Verify uv.lock is in sync with pyproject.toml
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
       - name: uv lock --check
         run: uv lock --check
 

.github/workflows/tests.yml

@@ -21,7 +21,7 @@ jobs:
           octave --version | head -1
 
       - name: Install uv
-        uses: astral-sh/setup-uv@v5
+        uses: astral-sh/setup-uv@v7
 
       # PsychoPy is deliberately NOT installed: it's a heavy GUI/audio dep whose
       # transitive build (ffpyplayer → SDL headers) is fragile on headless CI.