Update to Temporal SDK 1.19.0 #1008

Job	Run time
build-lint-test (3.10, macos-arm)	5m 48s
build-lint-test (3.13, macos-arm)	7m 18s
build-lint-test (3.13, macos-intel)	8m 49s
build-lint-test (3.10, windows-latest)	7m 4s
build-lint-test (3.10, macos-intel)	7m 13s
build-lint-test (3.10, ubuntu-latest)	5m 39s
build-lint-test (3.13, ubuntu-latest)	8m 50s
build-lint-test (3.13, windows-latest)	12m 21s
	1h 3m 2s

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