build(deps): bump github.com/BurntSushi/toml from 1.3.2 to 1.4.0 (#4746)

Author: dependabot[bot]

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/Antonboom/errname v0.1.13
 	github.com/Antonboom/nilnil v0.1.9
 	github.com/Antonboom/testifylint v1.3.0
-	github.com/BurntSushi/toml v1.3.2
+	github.com/BurntSushi/toml v1.4.0
 	github.com/Crocmagnon/fatcontext v0.2.2
 	github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24
 	github.com/GaijinEntertainment/go-exhaustruct/v3 v3.2.0