Fix jlink image warnings (#1143) #872

Job	Run time
build	5m 19s
copyright	3m 16s
shellcheck	3m 6s
checkstyle	3m 36s
vscode-ext	3m 53s
spotbugs	5m 59s
cli/darwin-amd64	10m 56s
tests/others-linux	6m 30s
javadoc	4m 7s
tests/cli-linux	4m 1s
tests/archetype-linux	5m 7s
tests/cli-windows	4m 23s
tests/cli-functional-linux	6m 18s
cli/linux-amd64	5m 40s
cli/windows-amd64	6m 20s
tests/linker-linux	5m 22s
tests/linker-windows	5m 46s
tests/cli-functional-windows	6m 35s
tests/archetype-windows	6m 1s
tests/others-windows	7m 42s
tests/results	5s
cli/binaries	6s
gate	4s
	1h 50m 12s

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