build(deps): update dependency rollup to v3.21.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	3.21.5 -> 3.21.8

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Release Notes

rollup/rollup

v3.21.8

Compare Source

2023-05-16

Bug Fixes

• Allow a namespace to properly contain itself as a named export (#​4991)

Pull Requests

• #​4991: Handle self-referencing namespaces (@​lukastaegert)

v3.21.7

Compare Source

2023-05-13

Bug Fixes

• Show correct error on uncaught exceptions in watch mode (#​4987)

Pull Requests

• #​4987: Properly quit on uncaught exceptions (@​lukastaegert)
• #​4988: test: add options type for function tests (@​TrickyPi)

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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