V5.2.0 proposal

[szegedi]

Release v5.2.0:
Improvement: Profile encoding uses more asynchronous stages, making

For Datadog employees:

• If this PR touches code that signs or publishes builds or packages, or handles
  credentials of any kind, I've requested a review from @DataDog/security-design-and-guidance.
• This PR doesn't touch any of that.

[github-actions]

Overall package size

Self size: 7.41 MB
Deduped: 7.78 MB
No deduping: 7.78 MB

Dependency sizes

name	version	self size	total size
source-map	0.7.4	226 kB	226 kB
pprof-format	2.1.0	111.69 kB	111.69 kB
p-limit	3.1.0	7.75 kB	13.78 kB
delay	5.0.0	11.17 kB	11.17 kB
node-gyp-build	3.9.0	8.81 kB	8.81 kB

_{🤖 This report was automatically generated by heaviest-objects-in-the-universe}