build: upgrade dependencies

vendor/google.golang.org/protobuf/internal/encoding/text/encode.go

@@ -263,3 +263,8 @@ func (e *Encoder) Snapshot() encoderState {
 func (e *Encoder) Reset(es encoderState) {
 	e.encoderState = es
 }
+
+// AppendString appends the escaped form of the input string to b.
+func AppendString(b []byte, s string) []byte {
+	return appendString(b, s, false)
+}

vendor/google.golang.org/protobuf/internal/impl/legacy_message.go

@@ -440,6 +440,13 @@ func legacyMerge(in piface.MergeInput) piface.MergeOutput {
 	if !ok {
 		return piface.MergeOutput{}
 	}
+	if !in.Source.IsValid() {
+		// Legacy Marshal methods may not function on nil messages.
+		// Check for a typed nil source only after we confirm that
+		// legacy Marshal/Unmarshal methods are present, for
+		// consistency.
+		return piface.MergeOutput{Flags: piface.MergeComplete}
+	}
 	b, err := marshaler.Marshal()
 	if err != nil {
 		return piface.MergeOutput{}

vendor/google.golang.org/protobuf/internal/version/version.go

@@ -52,8 +52,8 @@ import (
 //	10. Send out the CL for review and submit it.
 const (
 	Major      = 1
-	Minor      = 26
-	Patch      = 0
+	Minor      = 27
+	Patch      = 1
 	PreRelease = ""
 )