chore(deps): update graalvm/setup-graalvm action to v1.2.1 #234

Job	Run time
build_matrix	3m 48s
build (dev, graalvm-community, test-suite-http-server-tck-netty:nativeTest)	7m 16s
build (dev, graalvm-community, test-suite-http2-server-tck-netty:nativeTest)	8m 18s
build (dev, graalvm-community, test-suite-logback-graalvm:nativeTest)	5m 54s
build (dev, graalvm-community, test-suite-netty-ssl-graalvm:nativeTest)	6m 55s
build (latest-ea, graalvm, test-suite-http-server-tck-netty:nativeTest)	7m 16s
build (latest-ea, graalvm, test-suite-http2-server-tck-netty:nativeTest)	8m 31s
build (latest-ea, graalvm, test-suite-logback-graalvm:nativeTest)	5m 57s
build (latest-ea, graalvm, test-suite-netty-ssl-graalvm:nativeTest)	7m 21s
	1h 1m 16s

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