Upgrade: bump github.com/miekg/dns from 1.1.35 to 1.1.37

Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.35 to 1.1.37.
- [Release notes](https://github.com/miekg/dns/releases)
- [Changelog](https://github.com/miekg/dns/blob/master/Makefile.release)
- [Commits](miekg/dns@v1.1.35...v1.1.37)

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

go.mod

@@ -6,7 +6,7 @@ require github.com/prometheus/client_golang v1.9.0
 
 require (
 	github.com/Luzilla/godnsbl v1.0.0
-	github.com/miekg/dns v1.1.35
+	github.com/miekg/dns v1.1.37
 	github.com/sirupsen/logrus v1.7.0
 	github.com/smartystreets/goconvey v1.6.4 // indirect
 	github.com/urfave/cli v1.22.5

go.sum

@@ -173,6 +173,7 @@ github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3N
 github.com/miekg/dns v1.1.27 h1:aEH/kqUzUxGJ/UHcEKdJY+ugH6WEzsEBBSPa8zuy1aM=
 github.com/miekg/dns v1.1.27/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
 github.com/miekg/dns v1.1.35/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
+github.com/miekg/dns v1.1.37/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=