fix(deps): update dependency io.micronaut.build.internal:micronaut-gradle-plugins to v7.3.0 #4274

Job	Run time
build_matrix	3m 50s
build (17, test-suite-annotation-remapper:nativeTest)	6m 50s
build (17, test-suite-http-server-tck-netty:nativeTest)	7m 24s
build (17, test-suite-http2-server-tck-netty:nativeTest)	8m 48s
build (17, test-suite-kotlin-graalvm:nativeTest)	7m 8s
build (17, test-suite-logback-graalvm:nativeTest)	6m 1s
build (17, test-suite-netty-ssl-graalvm:nativeTest)	7m 2s
build (21, test-suite-annotation-remapper:nativeTest)	7m 0s
build (21, test-suite-http-server-tck-netty:nativeTest)	7m 29s
build (21, test-suite-http2-server-tck-netty:nativeTest)	8m 54s
build (21, test-suite-kotlin-graalvm:nativeTest)	7m 5s
build (21, test-suite-logback-graalvm:nativeTest)	6m 1s
build (21, test-suite-netty-ssl-graalvm:nativeTest)	7m 4s
	1h 30m 36s

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