Drop 3.11 lowest on test suite

Author: Kludex

.github/workflows/ci.yml

@@ -147,6 +147,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
+        # Exclude 3.11
         install:
           - name: pydantic-ai-slim
             command: "--package pydantic-ai-slim"
@@ -202,7 +203,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        # TODO(Marcelo): Enable it again later.
+        python-version: ["3.10", "3.12", "3.13"]
     env:
       CI: true
       COVERAGE_PROCESS_START: ./pyproject.toml