all: upgrade dependencies on google.golang.org/api and go.opencensus.io

The older versions impose transitive dependencies on
git.apache.org/thrift.git, which has since been removed.

Commands run:

	go get -d google.golang.org/api go.opencensus.io
	go mod tidy
	go test ./...

Updates golang/go#34016

Change-Id: I32f4926cac55d630febd9d4a4412eeb99ed9878e
Reviewed-on: https://go-review.googlesource.com/c/website/+/193039
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Andrew Bonventre <andybons@golang.org>
diff --git a/go.mod b/go.mod
index 3708987..9ee70d3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,17 +3,12 @@
 go 1.11
 
 require (
-	cloud.google.com/go v0.34.0
+	cloud.google.com/go v0.38.0
 	github.com/gomodule/redigo v2.0.0+incompatible
-	github.com/googleapis/gax-go v2.0.0+incompatible // indirect
-	go.opencensus.io v0.19.0 // indirect
+	go.opencensus.io v0.22.0 // indirect
 	golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2
-	golang.org/x/net v0.0.0-20190311183353-d8887717615a
-	golang.org/x/oauth2 v0.0.0-20190115181402-5dab4167f31c // indirect
-	golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db // indirect
+	golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c
 	golang.org/x/tools v0.0.0-20190516015132-d1a3278ee749
-	google.golang.org/api v0.1.0 // indirect
-	google.golang.org/appengine v1.4.0
-	google.golang.org/genproto v0.0.0-20190123001331-8819c946db44 // indirect
-	google.golang.org/grpc v1.18.0 // indirect
+	google.golang.org/api v0.9.0 // indirect
+	google.golang.org/appengine v1.5.0
 )
diff --git a/go.sum b/go.sum
index c88f4a6..25d4272 100644
--- a/go.sum
+++ b/go.sum
@@ -1,105 +1,104 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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-git.apache.org/thrift.git v0.0.0-20181218151757-9b75e4fe745a/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
-github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b h1:VKtxabqXZkF25pY9ekfRL6a582T4P37/31XEstQ5p58=
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-github.com/googleapis/gax-go v2.0.0+incompatible h1:j0GKcs05QVmm7yesiZq2+9cxHkNK9YM6zKx4D2qucQU=
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