switch to go vendoring

vendor/go-micro.dev/v4/logger/context.go

@@ -0,0 +1,14 @@
+package logger
+
+import "context"
+
+type loggerKey struct{}
+
+func FromContext(ctx context.Context) (Logger, bool) {
+	l, ok := ctx.Value(loggerKey{}).(Logger)
+	return l, ok
+}
+
+func NewContext(ctx context.Context, l Logger) context.Context {
+	return context.WithValue(ctx, loggerKey{}, l)
+}