community: add PanelCallbackHandler #33198

Job	Run time
build	16s
cd libs/community / make extended_tests #3.9	1m 31s
cd libs/community / make extended_tests #3.11	1m 21s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.11	29s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.9	30s
cd . / make lint #3.12	1m 13s
cd . / make lint #3.9	1m 3s
cd libs/community / make lint #3.13	4m 13s
cd libs/community / make lint #3.9	1m 48s
cd libs/community / make test #3.13	1m 5s
cd libs/community / make test #3.9	1m 2s
test-doc-imports (3.12) / check doc imports #3.12	1m 13s
cd libs/community / make test # pydantic: ~=2.7.0, python: 3.11,	42s
cd libs/community / make test # pydantic: ~=2.8.0, python: 3.11,	38s
cd libs/community / make test # pydantic: ~=2.9.0, python: 3.11,	36s
CI Success	1s
	17m 41s

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