fix(deps): update dependency io.grpc:grpc-bom to v1.68.1 (#2103) #1528

Job	Run time
build	3m 32s
setup-muzzle-matrix	2m 2s
shellcheck	5s
smoke-test (windows-2019, glassfish)	6m 5s
smoke-test (windows-2019, jboss)	6m 6s
smoke-test (windows-2019, jetty)	6m 2s
smoke-test (windows-2019, liberty)	6m 6s
smoke-test (windows-2019, tomcat)	6m 5s
smoke-test (windows-2019, tomee)	6m 4s
smoke-test (windows-2019, weblogic)	6m 24s
smoke-test (windows-2019, wildfly)	6m 3s
smoke-test (windows-2019, other)	5m 59s
smoke-test (ubuntu-22.04, glassfish)	6m 19s
smoke-test (ubuntu-22.04, jboss)	5m 5s
smoke-test (ubuntu-22.04, jetty)	6m 18s
smoke-test (ubuntu-22.04, liberty)	6m 18s
smoke-test (ubuntu-22.04, profiler)	6m 18s
smoke-test (ubuntu-22.04, tomcat)	6m 18s
smoke-test (ubuntu-22.04, tomee)	6m 13s
smoke-test (ubuntu-22.04, weblogic)	7m 32s
smoke-test (ubuntu-22.04, websphere)	6m 19s
smoke-test (ubuntu-22.04, wildfly)	6m 24s
smoke-test (ubuntu-22.04, other)	6m 18s
muzzle (:instrumentation:jetty)	2m 23s
muzzle (:instrumentation:khttp)	2m 21s
muzzle (:instrumentation:liberty)	2m 23s
muzzle (:instrumentation:tomcat)	2m 32s
muzzle (:instrumentation:weblogic)	2m 26s
muzzle (:instrumentation:websphere)	2m 2s
muzzle (:instrumentation:wildfly)	2m 3s
	2h 26m 5s

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