update vendored deps

Gopkg.lock

@@ -41,7 +41,7 @@
     ".",
     "reflectx"
   ]
-  revision = "2aeb6a910c2b94f2d5eb53d9895d80e27264ec41"
+  revision = "0dae4fefe7c0e190f7b5a78dac28a1c82cc8d849"
 
 [[projects]]
   branch = "master"
@@ -85,7 +85,7 @@
     "internal/timeseries",
     "trace"
   ]
-  revision = "1e491301e022f8f977054da4c2d852decd59571f"
+  revision = "4cb1c02c05b0e749b0365f61ae859a8e0cfceed9"
 
 [[projects]]
   name = "golang.org/x/text"
@@ -111,14 +111,14 @@
 [[projects]]
   name = "google.golang.org/appengine"
   packages = ["cloudsql"]
-  revision = "150dc57a1b433e64154302bdc40b6bb8aefa313a"
-  version = "v1.0.0"
+  revision = "b1f26356af11148e710935ed1ac8a7f5702c7612"
+  version = "v1.1.0"
 
 [[projects]]
   branch = "master"
   name = "google.golang.org/genproto"
   packages = ["googleapis/rpc/status"]
-  revision = "81158efcc9f219c511e4d3c0d61a0e6e49c01a24"
+  revision = "ff3583edef7de132f219f0efc00e097cabcc0ec0"
 
 [[projects]]
   name = "google.golang.org/grpc"
@@ -127,15 +127,16 @@
     "balancer",
     "balancer/base",
     "balancer/roundrobin",
-    "channelz",
     "codes",
     "connectivity",
     "credentials",
     "encoding",
     "encoding/proto",
-    "grpclb/grpc_lb_v1/messages",
     "grpclog",
     "internal",
+    "internal/backoff",
+    "internal/channelz",
+    "internal/grpcrand",
     "keepalive",
     "metadata",
     "naming",
@@ -148,12 +149,12 @@
     "tap",
     "transport"
   ]
-  revision = "7a6a684ca69eb4cae85ad0a484f2e531598c047b"
-  version = "v1.12.2"
+  revision = "168a6198bcb0ef175f7dacec0b8691fc141dc9b8"
+  version = "v1.13.0"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "8ad54e063439a2cb2eba28fb5481c2268b3ad567968e06115d5245ab64f18c8b"
+  inputs-digest = "f45fed28c3c6d02c0421b02875187abe405a838dc0456bfeee480ddf25790b55"
   solver-name = "gps-cdcl"
   solver-version = 1