Add MP metrics annotation support to MP REST clients #6886

Job	Run time
copyright	3m 24s
checkstyle	3m 49s
build	6m 6s
shellcheck	3m 9s
spotbugs/core	10m 39s
tests/core	10m 51s
spotbugs/integrations	7m 11s
tests/it	14m 51s
tests/tck-cdi	17m 46s
spotbugs/others	13m 15s
tests/dbclient	8m 48s
archetypes/r1-jar	6m 44s
tests/tck-rest	14m 32s
tests/dbclient-oracle	16m 22s
archetypes/r2-jar	6m 43s
docs	4m 53s
tests/tck-others	17m 3s
tests/others	12m 31s
archetypes/r3-jar	5m 59s
examples/linux	9m 50s
archetypes/r4-jar	6m 39s
javadoc (core)	6m 40s
archetypes/legacy	4m 30s
examples/macos	11m 7s
archetypes/r5-jar	5m 5s
javadoc (integrations)	5m 16s
javadoc (others)	7m 53s
quickstarts/linux	11m 27s
tests/native-image-mp-1-linux	7m 5s
quickstarts/macos	13m 29s
tests/packaging-jar-linux	7m 26s
tests/packaging-jlink-linux	9m 13s
tests/native-image-mp-2-linux	12m 17s
tests/native-image-mp-3-linux	6m 39s
tests/native-image-se-1-linux	6m 55s
tests/packaging-jar-macos	5m 23s
tests/native-image-inject-linux	6m 20s
tests/packaging-jlink-macos	6m 23s
tests/native-image-mp-1-macos	9m 29s
tests/native-image-mp-2-macos	19m 14s
tests/native-image-mp-3-macos	9m 51s
tests/native-image-se-1-macos	7m 58s
tests/native-image-inject-macos	7m 25s
tests/results	11s
gate	1s
	6h 28m 22s

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