vendor: hashicorp/hcl v2.6.0

full diff: https://github.com/hashicorp/hcl/compare/v2.4.0...v2.6.0

v2.6.0
-------------------------

Enhancements:

- hcldec: Add a new Spec, ValidateSpec, which allows custom validation of values at decode-time.

Bugs Fixed:

- hclsyntax: Fix panic with combination of sequences and null arguments
- hclsyntax: Fix handling of unknown values and sequences

v2.5.1
-------------------------

- hclwrite: handle legacy dot access of numeric indexes. (#369)
- hclwrite: Fix panic for dotted full splat (foo.*)

v2.5.0
-------------------------

- hclwrite: Generate multi-line objects and maps.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

go.mod

@@ -30,7 +30,7 @@ require (
 	github.com/googleapis/gnostic v0.3.1 // indirect
 	github.com/gophercloud/gophercloud v0.6.0 // indirect
 	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
-	github.com/hashicorp/hcl/v2 v2.4.0
+	github.com/hashicorp/hcl/v2 v2.6.0
 	github.com/jinzhu/gorm v1.9.2 // indirect
 	github.com/jinzhu/inflection v0.0.0-20180308033659-04140366298a // indirect
 	github.com/jinzhu/now v1.0.0 // indirect