ci: update lint workflow to test Python 3.9 and 3.10

- Change from 3.9/3.11 matrix to 3.9/3.10 for better coverage
- Maintains appropriate dependency configurations for each version

Author: ryoppippi

.github/workflows/lint.yml

@@ -10,11 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.11"]
+        python-version: ["3.9", "3.10"]
         include:
           - python-version: "3.9"
             sync-extras: "--all-extras --no-extra mcp"
-          - python-version: "3.11"
+          - python-version: "3.10"
             sync-extras: "--all-extras"
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0