add support for google/gemma-2-9b-it and google/gemma-2-27b-it to Cha… #224

Job	Run time
build	9s
cd libs/ai-endpoints / make lint #3.8	1m 43s
cd libs/ai-endpoints / make lint #3.11	1m 41s
cd libs/ai-endpoints / poetry run pytest -m compile tests/integration_tests #3.8	18s
cd libs/ai-endpoints / make test #3.8	14s
cd libs/ai-endpoints / poetry run pytest -m compile tests/integration_tests #3.9	1m 42s
cd libs/ai-endpoints / make test #3.9	26s
cd libs/ai-endpoints / poetry run pytest -m compile tests/integration_tests #3.10	32s
cd libs/ai-endpoints / make test #3.10	27s
cd libs/ai-endpoints / poetry run pytest -m compile tests/integration_tests #3.11	25s
cd libs/ai-endpoints / make test #3.11	14s
CI Success	1s
	7m 52s

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