v5.21.0

DiffEqNoiseProcess v5.21.0

Diff since v5.20.1

Merged pull requests:

• Bump codecov/codecov-action from 3 to 4 (#189) (@dependabot[bot])
• Run JuliaFormatter.format() (#193) (@LilithHafner)
• [skip ci] reapply formatting (#194) (@ArnoStrouwen)
• Fix NoiseFunction docs (#196) (@ChrisRackauckas)

Closed issues:

• Another (actionable) documentation issue (#195)