all: Format code with gofumpt

See https://github.com/mvdan/gofumpt

tpl/cast/cast_test.go

@@ -15,7 +15,6 @@ package cast
 
 import (
 	"html/template"
-
 	"testing"
 
 	qt "github.com/frankban/quicktest"

tpl/cast/docshelper.go

@@ -41,7 +41,6 @@ func init() {
 		}
 
 		return docshelper.DocProvider{"tpl": map[string]interface{}{"funcs": namespaces}}
-
 	}
 
 	docshelper.AddDocProviderFunc(docsProvider)

tpl/cast/init.go

@@ -51,7 +51,6 @@ func init() {
 		)
 
 		return ns
-
 	}
 
 	internal.AddTemplateFuncsNamespace(f)

tpl/cast/init_test.go

@@ -38,5 +38,4 @@ func TestInit(t *testing.T) {
 
 	c.Assert(found, qt.Equals, true)
 	c.Assert(ns.Context(), hqt.IsSameType, &Namespace{})
-
 }