0.4.0

What's Changed

• Run fewer kustomize builds in manifest build by @allenporter in #66
• Speed up manifest building by parallelizing by @allenporter in #67
• Performance improvements to flux-local get and diff by @allenporter in #69
• flux-local helm diff performance and correctness improvements by @allenporter in #70

Full Changelog: 0.3.0...0.4.0