fix: Add timeout and fail-fast:false to CI workflow

- Prevent job cancellation when one matrix job fails
- Add 15 minute timeout to prevent hung jobs

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

Author: asq-sheriff

.github/workflows/ci.yml

@@ -5,7 +5,9 @@ on:
 jobs:
   ci:
     runs-on: ubuntu-latest
+    timeout-minutes: 15
     strategy:
+      fail-fast: false
       matrix:
         python-version: [ "3.11", "3.12" ]