ci: increase test job timeout from 15 to 30 minutes

Windows smoke tests hit the 15-minute limit due to npm install + npx
download time. 30 minutes gives enough headroom.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: mldangelo

.github/workflows/test.yml

@@ -72,7 +72,7 @@ jobs:
   test:
     name: Test (py${{ matrix.python-version }}, ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 15
+    timeout-minutes: 30
     strategy:
       matrix:
         # Temporarily excluding macos-latest due to GitHub Actions runner resource constraints
@@ -152,7 +152,7 @@ jobs:
   test-npx-fallback:
     name: Test npx fallback (py${{ matrix.python-version }}, ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 15
+    timeout-minutes: 30
     strategy:
       matrix:
         # Test npx fallback (without global install)