4.0.3

Special thanks to the contributors that made this release happen: @NickZ, @cjp256, @jhenstridge and @sergiusens

Maintenance

• cli: migrate close to use the new channel map @sergiusens (#3143)
• project: add core20 linker version @sergiusens (#3138)

Bug Fixes

• pluginhandler: run plugin commands in isolation @sergiusens (#3139)
• build providers: use LXD-provided DNS by default @cjp256 (#3141)
• lifecycle: use snap from path to --check-skeleton @sergiusens (#3137)
• build providers: set HOME environment variable using posix format @cjp256 (#3135)
• cli: fix clean on Windows @NickZ (#2949)
• cli: fix push on Windows @NickZ (#2922)
• cli: nicer message for status with no releases @sergiusens (#3134)
• go v1 plugin: go.mod support for 1.11 and 1.12 @sergiusens (#3133)
• build providers: don't show an error if there are no auto-refresh changes @jhenstridge (#3130)
• storeapi: reset account_id on store login @sergiusens (#3142)

Tooling

• appveyor: disable artifact collection @cjp256 (#3136)