chore(release/candidate): release 2.6.1 (#6528)

chore: update last-release-sha for next main release

chore: update last-release-sha for next v1 release

chore: merge release v1.36.2 to v1 (#6440)

Co-authored-by: adk-bot <223368873+adk-bot@users.noreply.github.com>

chore: update last-release-sha for next main release

chore: update last-release-sha for next main release

chore(release/v1-candidate): release 1.36.1 (#6319)

chore: merge release v1.36.0 to v1 (#6193)

Co-authored-by: adk-bot <223368873+adk-bot@users.noreply.github.com>

chore: update last-release-sha for next release

chore: merge release v1.35.2 to v1 (#6153)

Co-authored-by: adk-bot <223368873+adk-bot@users.noreply.github.com>