deps: update dependency com.google.cloud:google-cloud-monitoring to v3.4.1

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.cloud:google-cloud-monitoring	3.3.6 -> 3.4.1

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Release Notes

googleapis/java-monitoring

v3.4.1

Compare Source

Bug Fixes

• fix samples and samples tests for UptimeCheck. (#​909) (7143f96)
• google-auth-library-oauth2-http is runtime scope (#​911) (fb080db)

v3.4.0

Compare Source

Features

• Added support for evaluating missing data in AlertPolicy (#​906) (e9effc8)

Documentation

• owlbot-java: explaining why not using formatter in pom.xml (#​1511) (#​901) (02e3f6b), closes #​1502

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Configuration

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[ansh0l]

LGTM

[ansh0l]

@alicejli Looks like the pr has merge conflicts, I've tried to rebase to latest, will wait for the refresh to kick in.

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