Update all non-major dependencies

This MR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
gatsby-transformer-yaml	3.4.0 -> 3.5.0
golang	1.16.3-alpine -> 1.16.4-alpine
golangci/golangci-lint	v1.39.0-alpine -> v1.40.0-alpine
prettier (source)	2.2.1 -> 2.3.0

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Release Notes

gatsbyjs/gatsby

v3.5.0

Compare Source

prettier/prettier

v2.3.0

Compare Source

diff

🔗 Release Notes

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