src/go.mod: sync golang.org/x/net with h2_bundle.go

CL 209077 updated bundled http2 to x/net git rev ef20fe5d7 without
bumping the go.mod version.

Identified with the new go/packages based cmd/bundle from CL 189818.

$ go get golang.org/x/net@ef20fe5d7
$ go mod tidy
$ go mod vendor
$ go generate -run bundle std # with CL 189818

Updates #32031

Change-Id: I581d35f33e2adafb588b2b0569648039187234a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/209901
Run-TryBot: Filippo Valsorda <filippo@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>

src/go.mod

@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	golang.org/x/crypto v0.0.0-20191111213947-16651526fdb4
-	golang.org/x/net v0.0.0-20191105084925-a882066a44e0
+	golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933
 	golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 // indirect
 	golang.org/x/text v0.3.3-0.20191031172631-4b67af870c6f // indirect
 )

src/go.sum

@@ -2,8 +2,8 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191111213947-16651526fdb4 h1:AGVXd+IAyeAb3FuQvYDYQ9+WR2JHm0+C0oYJaU1C4rs=
 golang.org/x/crypto v0.0.0-20191111213947-16651526fdb4/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20191105084925-a882066a44e0 h1:QPlSTtPE2k6PZPasQUbzuK3p9JbS+vMXYVto8g/yrsg=
-golang.org/x/net v0.0.0-20191105084925-a882066a44e0/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933 h1:e6HwijUxhDe+hPNjZQQn9bA5PW3vNmnN64U2ZW759Lk=
+golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190529130038-5219a1e1c5f8 h1:2WjIC11WRITGlVWmyLXKjzIVj1ZwoWZ//tadeUUV6/o=

src/vendor/modules.txt

@@ -8,7 +8,7 @@ golang.org/x/crypto/curve25519
 golang.org/x/crypto/hkdf
 golang.org/x/crypto/internal/subtle
 golang.org/x/crypto/poly1305
-# golang.org/x/net v0.0.0-20191105084925-a882066a44e0
+# golang.org/x/net v0.0.0-20191126235420-ef20fe5d7933
 ## explicit
 golang.org/x/net/dns/dnsmessage
 golang.org/x/net/http/httpguts