vendor: update github.com/hashicorp/hcl/v2 to v2.19.1

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

vendor/github.com/zclconf/go-cty/cty/function/stdlib/sequence.go

@@ -9,7 +9,8 @@ import (
 )
 
 var ConcatFunc = function.New(&function.Spec{
-	Params: []function.Parameter{},
+	Description: `Concatenates together all of the given lists or tuples into a single sequence, preserving the input order.`,
+	Params:      []function.Parameter{},
 	VarParam: &function.Parameter{
 		Name:        "seqs",
 		Type:        cty.DynamicPseudoType,
@@ -73,6 +74,7 @@ var ConcatFunc = function.New(&function.Spec{
 		}
 		return cty.Tuple(etys), nil
 	},
+	RefineResult: refineNonNull,
 	Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
 		switch {
 		case retType.IsListType():
@@ -137,11 +139,13 @@ var ConcatFunc = function.New(&function.Spec{
 })
 
 var RangeFunc = function.New(&function.Spec{
+	Description: `Returns a list of numbers spread evenly over a particular range.`,
 	VarParam: &function.Parameter{
 		Name: "params",
 		Type: cty.Number,
 	},
-	Type: function.StaticReturnType(cty.List(cty.Number)),
+	Type:         function.StaticReturnType(cty.List(cty.Number)),
+	RefineResult: refineNonNull,
 	Impl: func(args []cty.Value, retType cty.Type) (ret cty.Value, err error) {
 		var start, end, step cty.Value
 		switch len(args) {