a2a-python

fix: Don't generate empty metadata change events in VertexTaskStore (#962)

chore(main): release 0.3.26 (#935)

chore(deps): bump cryptography from 46.0.6 to 46.0.7 (#953)

ci: use commit hashes for actions instead of tags (#937)

feat: Add support for more Task Message and Artifact fields in the Vertex Task Store (#908)