Bump bufbuild/buf-setup-action from 1.37.0 to 1.38.0 (#293) #737

Job	Run time
build-library-ios	3m 1s
build-library-macos	3m 33s
build-eliza-cocoapods-example	2m 13s
build-library-tvos	3m 38s
build-eliza-swiftpm-example	2m 11s
build-library-watchos	4m 20s
run-conformance-tests	2m 32s
build-plugin-and-generate	1m 13s
run-swiftlint	9s
run-unit-tests	1m 57s
validate-license-headers	19s
	25m 6s

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