vendor: pkg/errors v0.9.1

full diff: pkg/errors@v0.8.1...v0.9.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit dc089c22ceb839b1ff06dca01cee752371a3db48)
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: edf2c49410e6f5ea33aafdf8dbcd9a93d1a834a1
Component: engine

Author: thaJeztah

components/engine/vendor.conf

@@ -149,7 +149,7 @@ github.com/prometheus/client_model                  6f3806018612930941127f2a7c6c
 github.com/prometheus/common                        7600349dcfe1abd18d72d3a1770870d9800a7801
 github.com/prometheus/procfs                        7d6f385de8bea29190f15ba9931442a0eaef9af7
 github.com/matttproud/golang_protobuf_extensions    c12348ce28de40eed0136aa2b644d0ee0650e56c # v1.0.1
-github.com/pkg/errors                               ba968bfe8b2f7e042a574c888954fccecfa385b4 # v0.8.1
+github.com/pkg/errors                               614d223910a179a466c1767a985424175c39b465 # v0.9.1
 github.com/grpc-ecosystem/go-grpc-prometheus        c225b8c3b01faf2899099b768856a9e916e5087b # v1.2.0
 
 # cli