proto-lens-runtime-0.4.0.2: Changelog.md

# Changelog for `proto-lens-runtime`

## v0.4.0.2
- Bump the dependencies on `base` and `containers` to support `ghc-8.6.1.

## v0.4.0.1
- Remove an obsolete dependency on `data-default-class`.

## v0.4.0.0
- Split out from `proto-lens-protoc`.
- Use simplified lens-labels instances. (#208)

## Older
See `Changelog.md` for `proto-lens-protoc`.