Bump github.com/miekg/dns from 1.1.29 to 1.1.30 (#1403)

Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.29 to 1.1.30.
- [Release notes](https://github.com/miekg/dns/releases)
- [Changelog](https://github.com/miekg/dns/blob/master/Makefile.release)
- [Commits](https://github.com/miekg/dns/compare/v1.1.29...v1.1.30)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

go.mod

@@ -19,7 +19,7 @@ require (
 	github.com/jedisct1/xsecretbox v0.0.0-20190909160646-b731c21297f9
 	github.com/k-sone/critbitgo v1.4.0
 	github.com/kardianos/service v1.1.0
-	github.com/miekg/dns v1.1.29
+	github.com/miekg/dns v1.1.30
 	github.com/powerman/check v1.2.1
 	golang.org/x/crypto v0.0.0-20200604202706-70a84ac30bf9
 	golang.org/x/net v0.0.0-20200602114024-627f9648deb9

go.sum

@@ -48,6 +48,8 @@ github.com/kardianos/service v1.1.0 h1:QV2SiEeWK42P0aEmGcsAgjApw/lRxkwopvT+Gu6t1
 github.com/kardianos/service v1.1.0/go.mod h1:RrJI2xn5vve/r32U5suTbeaSGoMU6GbNPoj36CVYcHc=
 github.com/miekg/dns v1.1.29 h1:xHBEhR+t5RzcFJjBLJlax2daXOrTYtr9z4WdKEfWFzg=
 github.com/miekg/dns v1.1.29/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
+github.com/miekg/dns v1.1.30 h1:Qww6FseFn8PRfw07jueqIXqodm0JKiiKuK0DeXSqfyo=
+github.com/miekg/dns v1.1.30/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=