release(core): release 1.3.0 (langchain-ai#36851)

xRelease 1.3.0

fix(anthropic): strip null encrypted_content from compaction blocks (l…

…angchain-ai#36850)

release(text-splitters): 1.1.2 (langchain-ai#36822)

fix(infra): skip serdes tests in min-version release step (langchain-…

…ai#36818)

release(huggingface): 1.2.2 (langchain-ai#36832)

release(core): 1.3.0a3 (langchain-ai#36829)

release 1.3.0a3

release(core): port 36816 to v1.2 and release 1.2.31 (langchain-ai#36817

)

release(langchain-classic): 1.0.4 (langchain-ai#36827)

release(core): 1.2.30 (langchain-ai#36770)

fix(infra): skip serdes tests in min-version release step (langchain-…

…ai#36730)