Increase sidecars' memory limit

[TSkrebe]

What

Increases sidecars' memory limit to prevent OOMs in situations when memory usage spikes. Keep request at the 25Mi to prevent unnecessary memory over-allocation.

ref: #9233

How

Describe the solution

Recommended reading order

1. x.java
2. y.python

🚨 User Impact 🚨

Are there any breaking changes? What is the end result perceived by the user? If yes, please merge this PR with the 🚨🚨 emoji so changelog authors can further highlight this if needed.

Pre-merge Checklist

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[CLAassistant]

All committers have signed the CLA.

[davinchia]

@TSkrebe can you please sign the CLA?

[TSkrebe]

@TSkrebe can you please sign the CLA?

signed it a couple of hours ago.

[davinchia]

Strange - the build shows it's not signed yet.

[TSkrebe]

Strange - the build shows it's not signed yet.

Email was not fully set-up on github.. looks good now.

[alafanechere]

Thank you @TSkrebe for this, I hope it will help you solve your original issue.

[TSkrebe]

@alafanechere will let you know. when do you plan on releasing a new version?

[davinchia]

@TSkrebe definitely by the end of this week.

[musabmasood]

Curious if these sidecar resources are configurable on k8s (helm/kustomize) level somehow?