Record causes of failed attempts for RetryingClient

[my4-dev]

Motivation:
#5283

Modifications:

• Separating onResponse into onResponseOnClient and onResponseOnServer as refactoring
• Add failureAttempts(Throwable error) and failureAttempts(HttpStatus httpstatus) at ClientRequestMetrics and make us enable to record causes of failed attempts

Result:

• Closes Record causes of failed attempts for RetryingClient #5283
• It becomes possible to record causes of failed attempts for RetryingClient like the following.

"actual.requests.attempts.errors{result=failure, cause=ResponseTimeoutException}=NN"

Previous PR:
#5405

[github-actions]

🔍 Build Scan® (commit: 2507281)

Job name	Status	Build Scan®
build-windows-latest-jdk-19	✅	https://ge.armeria.dev/s/wqolz7ptrpne2
build-self-hosted-unsafe-jdk-8	✅	https://ge.armeria.dev/s/fcox3zq2xwaia
build-self-hosted-unsafe-jdk-19-snapshot-blockhound	✅	https://ge.armeria.dev/s/e6pugr3prwlqm
build-self-hosted-unsafe-jdk-17-min-java-17-coverage	✅	https://ge.armeria.dev/s/qse45pnystub4
build-self-hosted-unsafe-jdk-17-min-java-11	✅	https://ge.armeria.dev/s/nihyt62hkt3d4
build-self-hosted-unsafe-jdk-17-leak	✅	https://ge.armeria.dev/s/e5ibhbewxrzvs
build-self-hosted-unsafe-jdk-11	✅	https://ge.armeria.dev/s/gdqrwe2d5nrjg
build-macos-12-jdk-19	❌ (failure)	https://ge.armeria.dev/s/p7k2ggvotwhd2