Release Notes for v0.54.0 (#3949)

* v0.54.0 release notes from template

* Add browser#1406 to v0.54.0 release notes

* Add release notes for experimental csv module

* Oleg's changelog

* External contributors' changelog

* Minor alignments of release notes

* Add browser#1420 & browser#1421 to release notes

* Joan's changelog

* Breaking changes, minor adjustments

* Extract gRPC updates under the feature

* Add setChecked to release notes

* Add file upload protocol to release notes

* Add browser#1408 & #1422 to release notes

* mstoykov: most of my release notes changes

* Add notes specific to --local-execution

* Improve browser release notes

Co-authored-by: Ankur <[email protected]>

* Add branding changes

* add usage changes to release notes

* xk6-websockets changes

* Add browser module notice

* Add future plans notice back

* Fix regex code block release notes

* Fix doc next links to latest

* Add setChecked links

* Add async check utility

* Fix k6lib check next to latest

* Improve async check notes

Co-authored-by: Ankur <[email protected]>

* Improve browser release notes

Co-authored-by: Heitor Tashiro Sergent <[email protected]>

* Apply suggestions from code review

Co-authored-by: Heitor Tashiro Sergent <[email protected]>

* Adding missing dependencies PRs, aligning the style

* Mention further bug fixes and maintenance work

* Apply suggestions from code review

Co-authored-by: Andrey Slotin <[email protected]>

* Add fix browser#1435

* Apply suggestions from code review

Co-authored-by: Mihail Stoykov <[email protected]>
Co-authored-by: Heitor Tashiro Sergent <[email protected]>

* Add most recent browser related fixes

* Apply suggestions from code review

Co-authored-by: Heitor Tashiro Sergent <[email protected]>

* Apply code review suggestions, mentioning new PRs

* Apply suggestions from code review

Co-authored-by: Heitor Tashiro Sergent <[email protected]>

* Apply suggestions from code review

Co-authored-by: Mihail Stoykov <[email protected]>

* Apply suggestions from code review

* Apply suggestions from code review

Co-authored-by: Joan López de la Franca Beltran <[email protected]>

---------

Co-authored-by: ankur22 <[email protected]>
Co-authored-by: oleiade <[email protected]>
Co-authored-by: Joan López de la Franca Beltran <[email protected]>
Co-authored-by: İnanç Gümüş <[email protected]>
Co-authored-by: Mihail Stoykov <[email protected]>
Co-authored-by: Heitor Tashiro Sergent <[email protected]>
Co-authored-by: Andrey Slotin <[email protected]>
Co-authored-by: Mihail Stoykov <[email protected]>
Co-authored-by: Joan López de la Franca Beltran <[email protected]>