Update dependency rollup to v3.21.6

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	3.21.5 -> 3.21.6

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Release Notes

rollup/rollup

v3.21.6

Compare Source

2023-05-09

Bug Fixes

• Ensure Rollup CLI prints everything to stdout before exiting (#​4980)

Pull Requests

• #​4980: chore(deps): lock file maintenance minor/patch updates (@​renovate[bot])
• #​4983: Prevent exit before stdout is drained (@​lukastaegert)

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[sonarcloud]

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[codecov-commenter]

Codecov Report

Merging #494 (faeb840) into master (d8a0051) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #494   +/-   ##
=======================================
  Coverage   99.29%   99.29%           
=======================================
  Files          82       82           
  Lines         569      569           
  Branches       54       54           
=======================================
  Hits          565      565           
  Misses          3        3           
  Partials        1        1           

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