Fix HttpHeaderNamesTest as upgrade Guava

[thachlp]

Motivation:

Fix HttpHeaderNamesTest. httpHeaderNamesContainsAllFieldsInHttpHeadersInGuava fail

Modifications:

• Add SEC_AD_AUCTION_FETCH and AD_AUCTION_SIGNALS to HttpHeaderNames

Result:
Closes: #5492

[CLAassistant]

All committers have signed the CLA.

[github-actions]

🔍 Build Scan® (commit: c748d87)

Job name	Status	Build Scan®
build-windows-latest-jdk-19	✅	https://ge.armeria.dev/s/okiuxrntvipu4
build-self-hosted-unsafe-jdk-8	✅	https://ge.armeria.dev/s/mru2uiqkcxcxi
build-self-hosted-unsafe-jdk-19-snapshot-blockhound	✅	https://ge.armeria.dev/s/qjczhnosegrsa
build-self-hosted-unsafe-jdk-17-min-java-17-coverage	✅	https://ge.armeria.dev/s/hsrqdvpdph2ay
build-self-hosted-unsafe-jdk-17-min-java-11	✅	https://ge.armeria.dev/s/pre4wiupz6vrc
build-self-hosted-unsafe-jdk-17-leak	✅	https://ge.armeria.dev/s/rbfvt2ajmqzco
build-self-hosted-unsafe-jdk-11	✅	https://ge.armeria.dev/s/f36iosawayw56
build-macos-12-jdk-19	✅	https://ge.armeria.dev/s/762rude27lnc6

[thachlp]

They are imported from https://github.com/google/guava/blob/v33.0.0/guava/src/com/google/common/net/HttpHeaders.java#L859-L875

[ikhoon]

Thanks! 🙇‍♂️

[minwoox]

Thanks!