mod: Use CertMagic v0.6.1

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/klauspost/cpuid v1.2.0
 	github.com/kylelemons/godebug v0.0.0-20170820004349-d65d576e9348 // indirect
 	github.com/lucas-clemente/quic-go v0.10.2
-	github.com/mholt/certmagic v0.6.1-0.20190619225040-c7a9fdb17816
+	github.com/mholt/certmagic v0.6.1
 	github.com/naoina/go-stringutil v0.1.0 // indirect
 	github.com/naoina/toml v0.1.1
 	github.com/russross/blackfriday v0.0.0-20170610170232-067529f716f4

go.sum

@@ -44,8 +44,8 @@ github.com/lucas-clemente/quic-go v0.10.2/go.mod h1:hvaRS9IHjFLMq76puFJeWNfmn+H7
 github.com/lucas-clemente/quic-go-certificates v0.0.0-20160823095156-d2f86524cced h1:zqEC1GJZFbGZA0tRyNZqRjep92K5fujFtFsu5ZW7Aug=
 github.com/lucas-clemente/quic-go-certificates v0.0.0-20160823095156-d2f86524cced/go.mod h1:NCcRLrOTZbzhZvixZLlERbJtDtYsmMw8Jc4vS8Z0g58=
 github.com/marten-seemann/qtls v0.2.3/go.mod h1:xzjG7avBwGGbdZ8dTGxlBnLArsVKLvwmjgmPuiQEcYk=
-github.com/mholt/certmagic v0.6.1-0.20190619225040-c7a9fdb17816 h1:DEoTKH/n8k9JXYqM/A3AmW407Q5Rncrkuipqu0mztcg=
-github.com/mholt/certmagic v0.6.1-0.20190619225040-c7a9fdb17816/go.mod h1:g4cOPxcjV0oFq3qwpjSA30LReKD8AoIfwAY9VvG35NY=
+github.com/mholt/certmagic v0.6.1 h1:3u4+xP+ohbYOxlpEzfaxOceNpSUmERdB+71AT2fKyqo=
+github.com/mholt/certmagic v0.6.1/go.mod h1:g4cOPxcjV0oFq3qwpjSA30LReKD8AoIfwAY9VvG35NY=
 github.com/miekg/dns v1.1.3 h1:1g0r1IvskvgL8rR+AcHzUA+oFmGcQlaIm4IqakufeMM=
 github.com/miekg/dns v1.1.3/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/naoina/go-stringutil v0.1.0 h1:rCUeRUHjBjGTSHl0VC00jUPLz8/F9dDzYI70Hzifhks=