Bump gopkg.in/yaml.v2 from 2.2.4 to 2.2.5

Bumps [gopkg.in/yaml.v2](https://github.com/go-yaml/yaml) from 2.2.4 to 2.2.5.
- [Release notes](https://github.com/go-yaml/yaml/releases)
- [Commits](https://github.com/go-yaml/yaml/compare/v2.2.4...v2.2.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 8 insertions, 6 deletions

diff --git a/vendor/gopkg.in/yaml.v2/decode.go b/vendor/gopkg.in/yaml.v2/decode.go
index 531087655..129bc2a97 100644
--- a/vendor/gopkg.in/yaml.v2/decode.go
+++ b/vendor/gopkg.in/yaml.v2/decode.go
@@ -319,10 +319,14 @@ func (d *decoder) prepare(n *node, out reflect.Value) (newout reflect.Value, unm
 }
 
 const (
-	// 400,000 decode operations is ~500kb of dense object declarations, or ~5kb of dense object declarations with 10000% alias expansion
+	// 400,000 decode operations is ~500kb of dense object declarations, or
+	// ~5kb of dense object declarations with 10000% alias expansion
 	alias_ratio_range_low = 400000
-	// 4,000,000 decode operations is ~5MB of dense object declarations, or ~4.5MB of dense object declarations with 10% alias expansion
+
+	// 4,000,000 decode operations is ~5MB of dense object declarations, or
+	// ~4.5MB of dense object declarations with 10% alias expansion
 	alias_ratio_range_high = 4000000
+
 	// alias_ratio_range is the range over which we scale allowed alias ratios
 	alias_ratio_range = float64(alias_ratio_range_high - alias_ratio_range_low)
 )
@@ -784,8 +788,7 @@ func (d *decoder) merge(n *node, out reflect.Value) {
 	case mappingNode:
 		d.unmarshal(n, out)
 	case aliasNode:
-		an, ok := d.doc.anchors[n.value]
-		if ok && an.kind != mappingNode {
+		if n.alias != nil && n.alias.kind != mappingNode {
 			failWantMap()
 		}
 		d.unmarshal(n, out)
@@ -794,8 +797,7 @@ func (d *decoder) merge(n *node, out reflect.Value) {
 		for i := len(n.children) - 1; i >= 0; i-- {
 			ni := n.children[i]
 			if ni.kind == aliasNode {
-				an, ok := d.doc.anchors[ni.value]
-				if ok && an.kind != mappingNode {
+				if ni.alias != nil && ni.alias.kind != mappingNode {
 					failWantMap()
 				}
 			} else if ni.kind != mappingNode {