[chore]: Bump github.com/miekg/dns from 1.1.50 to 1.1.51 (#1566)

Bumps [github.com/miekg/dns](https://github.com/miekg/dns) from 1.1.50 to 1.1.51.
- [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/v1.1.50...v1.1.51)

---
updated-dependencies:
- dependency-name: github.com/miekg/dns
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/vendor/github.com/miekg/dns/zduplicate.go b/vendor/github.com/miekg/dns/zduplicate.go
index 9eb1dac29..450bbbc29 100644
--- a/vendor/github.com/miekg/dns/zduplicate.go
+++ b/vendor/github.com/miekg/dns/zduplicate.go
@@ -43,6 +43,32 @@ func (r1 *AFSDB) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *AMTRELAY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*AMTRELAY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Precedence != r2.Precedence {
+		return false
+	}
+	if r1.GatewayType != r2.GatewayType {
+		return false
+	}
+	switch r1.GatewayType {
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		if !r1.GatewayAddr.Equal(r2.GatewayAddr) {
+			return false
+		}
+	case IPSECGatewayHost:
+		if !isDuplicateName(r1.GatewayHost, r2.GatewayHost) {
+			return false
+		}
+	}
+
+	return true
+}
+
 func (r1 *ANY) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*ANY)
 	if !ok {
@@ -423,6 +449,38 @@ func (r1 *HTTPS) isDuplicate(_r2 RR) bool {
 	return true
 }
 
+func (r1 *IPSECKEY) isDuplicate(_r2 RR) bool {
+	r2, ok := _r2.(*IPSECKEY)
+	if !ok {
+		return false
+	}
+	_ = r2
+	if r1.Precedence != r2.Precedence {
+		return false
+	}
+	if r1.GatewayType != r2.GatewayType {
+		return false
+	}
+	if r1.Algorithm != r2.Algorithm {
+		return false
+	}
+	switch r1.GatewayType {
+	case IPSECGatewayIPv4, IPSECGatewayIPv6:
+		if !r1.GatewayAddr.Equal(r2.GatewayAddr) {
+			return false
+		}
+	case IPSECGatewayHost:
+		if !isDuplicateName(r1.GatewayHost, r2.GatewayHost) {
+			return false
+		}
+	}
+
+	if r1.PublicKey != r2.PublicKey {
+		return false
+	}
+	return true
+}
+
 func (r1 *KEY) isDuplicate(_r2 RR) bool {
 	r2, ok := _r2.(*KEY)
 	if !ok {