Update golang.org/x/net commit hash to c5a3c61 (#351)

Author: renovate-bot

go.mod

@@ -9,6 +9,6 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.4.0
 	github.com/urfave/cli v1.22.1
-	golang.org/x/net v0.0.0-20190926025831-c00fd9afed17
+	golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3
 	golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0
 )

go.sum

@@ -24,6 +24,8 @@ github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtX
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190926025831-c00fd9afed17 h1:qPnAdmjNA41t3QBTx2mFGf/SD1IoslhYu7AmdsVzCcs=
 golang.org/x/net v0.0.0-20190926025831-c00fd9afed17/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 h1:6KET3Sqa7fkVfD63QnAM81ZeYg5n4HwApOJkufONnHA=
+golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/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/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

vendor/modules.txt

@@ -18,13 +18,13 @@ github.com/shurcooL/sanitized_anchor_name
 github.com/stretchr/testify/assert
 # github.com/urfave/cli v1.22.1
 github.com/urfave/cli
-# golang.org/x/net v0.0.0-20190926025831-c00fd9afed17
+# golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3
 golang.org/x/net/idna
 # golang.org/x/text v0.3.0
 golang.org/x/text/secure/bidirule
+golang.org/x/text/transform
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
-golang.org/x/text/transform
 # golang.org/x/time v0.0.0-20190921001708-c4c64cad1fd0
 golang.org/x/time/rate
 # gopkg.in/yaml.v2 v2.2.2