Migrate mapstructure dependency

[mrodm]

mapstructure repository has been archived, and there is a new fork that continues with the development according to this announcement:
https://gist.github.com/mitchellh/90029601268e59a29e64e55bab1c5bdc

Process followed:

go get github.com/go-viper/mapstructure/v2
sed -i 's/github.com\/mitchellh\/mapstructure/github.com\/go-viper\/mapstructure\/v2/g' $(find . -type f -name '*.go')
go mod tidy

[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 58e7f09

Failed CI Steps

• :go: Integration test: benchmarks (stack agent)

History

cc @mrodm