Bump bufbuild/buf-setup-action from 1.47.2 to 1.48.0 (#329) #806

Job	Run time
build-library-macos	1m 33s
build-library-ios	1m 45s
build-eliza-swiftpm-example	1m 37s
build-eliza-cocoapods-example	44s
build-library-tvos	1m 19s
build-library-watchos	1m 33s
build-plugin-and-generate	1m 7s
run-conformance-tests	2m 23s
run-swiftlint	14s
run-unit-tests	1m 51s
validate-license-headers	16s
	14m 22s

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