chore(deps): update docker/build-push-action action to v6.15.0 (#2210) #1619

Job	Run time
build	3m 48s
setup-muzzle-matrix	1m 48s
shellcheck	6s
smoke-test (windows-2019, glassfish)	26m 53s
smoke-test (windows-2019, jboss)	14m 56s
smoke-test (windows-2019, jetty)	29m 53s
smoke-test (windows-2019, liberty)	35m 27s
smoke-test (windows-2019, tomcat)	27m 54s
smoke-test (windows-2019, tomee)	27m 55s
smoke-test (windows-2019, weblogic)	15m 8s
smoke-test (windows-2019, wildfly)	34m 0s
smoke-test (windows-2019, other)	15m 7s
smoke-test (ubuntu-22.04, glassfish)	7m 50s
smoke-test (ubuntu-22.04, jboss)	7m 5s
smoke-test (ubuntu-22.04, jetty)	7m 10s
smoke-test (ubuntu-22.04, liberty)	10m 57s
smoke-test (ubuntu-22.04, profiler)	8m 22s
smoke-test (ubuntu-22.04, tomcat)	6m 39s
smoke-test (ubuntu-22.04, tomee)	7m 16s
smoke-test (ubuntu-22.04, weblogic)	8m 0s
smoke-test (ubuntu-22.04, websphere)	6m 34s
smoke-test (ubuntu-22.04, wildfly)	9m 58s
smoke-test (ubuntu-22.04, other)	8m 5s
muzzle (:instrumentation:jetty)	2m 7s
muzzle (:instrumentation:khttp)	2m 10s
muzzle (:instrumentation:liberty)	2m 5s
muzzle (:instrumentation:nocode)	2m 10s
muzzle (:instrumentation:tomcat)	2m 5s
muzzle (:instrumentation:weblogic)	2m 4s
muzzle (:instrumentation:websphere)	2m 4s
muzzle (:instrumentation:wildfly)	2m 0s
	5h 37m 36s

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