Update to Temporal SDK 1.19.0 (#262) #1009

Job	Run time
build-lint-test (3.10, ubuntu-latest)	5m 45s
build-lint-test (3.10, macos-intel)	7m 25s
build-lint-test (3.13, macos-intel)	9m 50s
build-lint-test (3.10, windows-latest)	6m 40s
build-lint-test (3.10, macos-arm)	5m 40s
build-lint-test (3.13, ubuntu-latest)	8m 43s
build-lint-test (3.13, macos-arm)	6m 21s
build-lint-test (3.13, windows-latest)	12m 43s
	1h 3m 7s

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