[VOL-5222] - Upgrade golang version for VOLTHA jobs

.gitreview
VERSION
----------
  o post-release tasks.  Repository tagged and banched.
  o Add missing newlines at EOF.
  o go.mod syntax does not allow *-dev suffix so update
    master VERSION from v5.5.0-dev to v5.5.0.  Community
    can introduce a dev version when needed.

go/*.pb.og
vendor/*.go
-----------
  o invoke make mod-update to regenerate go.sum and friends.
  o lint clenaups: find . -name '*.go' -print | xargs -n1 gofmt -s -e -w

Change-Id: I3da80c0ce5600679b388e309bfa4702f1ec3212b
diff --git a/vendor/google.golang.org/protobuf/proto/doc.go b/vendor/google.golang.org/protobuf/proto/doc.go
index c52d8c4..08d2a46 100644
--- a/vendor/google.golang.org/protobuf/proto/doc.go
+++ b/vendor/google.golang.org/protobuf/proto/doc.go
@@ -6,18 +6,17 @@
 //
 // For documentation on protocol buffers in general, see:
 //
-//   https://developers.google.com/protocol-buffers
+//	https://developers.google.com/protocol-buffers
 //
 // For a tutorial on using protocol buffers with Go, see:
 //
-//   https://developers.google.com/protocol-buffers/docs/gotutorial
+//	https://developers.google.com/protocol-buffers/docs/gotutorial
 //
 // For a guide to generated Go protocol buffer code, see:
 //
-//   https://developers.google.com/protocol-buffers/docs/reference/go-generated
+//	https://developers.google.com/protocol-buffers/docs/reference/go-generated
 //
-//
-// Binary serialization
+// # Binary serialization
 //
 // This package contains functions to convert to and from the wire format,
 // an efficient binary serialization of protocol buffers.
@@ -30,8 +29,7 @@
 // • Unmarshal converts a message from the wire format.
 // The UnmarshalOptions type provides more control over wire unmarshaling.
 //
-//
-// Basic message operations
+// # Basic message operations
 //
 // • Clone makes a deep copy of a message.
 //
@@ -45,8 +43,7 @@
 //
 // • CheckInitialized reports whether all required fields in a message are set.
 //
-//
-// Optional scalar constructors
+// # Optional scalar constructors
 //
 // The API for some generated messages represents optional scalar fields
 // as pointers to a value. For example, an optional string field has the
@@ -61,16 +58,14 @@
 //
 // Optional scalar fields are only supported in proto2.
 //
-//
-// Extension accessors
+// # Extension accessors
 //
 // • HasExtension, GetExtension, SetExtension, and ClearExtension
 // access extension field values in a protocol buffer message.
 //
 // Extension fields are only supported in proto2.
 //
-//
-// Related packages
+// # Related packages
 //
 // • Package "google.golang.org/protobuf/encoding/protojson" converts messages to
 // and from JSON.