version bump (temporalio#1316)

OpenAI - Fix generics is instance (temporalio#1261)

* bump version to 1.21.1

* Restrict tool type check to reject callable because of the inability to check against generic type.

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Co-authored-by: Alex Mazzeo <alex.mazzeo@temporal.io>

Bump version to 1.21.0 (temporalio#1257)

1.20.0 (temporalio#1227)

Update version to 1.19.0 for release (temporalio#1214)

* bump version to 1.19.0

* update version in service.py

Replace imports

Update to version 1.14.2

Update version to 1.18.1 (temporalio#1135)

Update version to 1.18.0 (temporalio#1111)

Bump version for release (temporalio#1069)