Bump CoreDNS dependency from 1.11.1 to 1.14.2

Update Go minimum to 1.25.0 to match CoreDNS 1.14.2 requirements.
All indirect dependencies updated via go mod tidy.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

go.mod

@@ -1,40 +1,40 @@
 module code.fritzlab.net/dns/synthetic
 
-go 1.21.6
+go 1.25.0
 
 require (
-	github.com/coredns/caddy v1.1.1
-	github.com/coredns/coredns v1.11.1
-	github.com/miekg/dns v1.1.58
+	github.com/coredns/caddy v1.1.4-0.20250930002214-15135a999495
+	github.com/coredns/coredns v1.14.2
+	github.com/miekg/dns v1.1.72
 )
 
 require (
 	github.com/apparentlymart/go-cidr v1.1.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
-	github.com/golang/mock v1.6.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/pprof v0.0.0-20230509042627-b1315fad0c5a // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
+	github.com/kr/text v0.2.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
-	github.com/onsi/ginkgo/v2 v2.11.0 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/prometheus/client_golang v1.16.0 // indirect
-	github.com/prometheus/client_model v0.4.0 // indirect
-	github.com/prometheus/common v0.44.0 // indirect
-	github.com/prometheus/procfs v0.10.1 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.1 // indirect
-	github.com/quic-go/quic-go v0.37.4 // indirect
-	golang.org/x/crypto v0.18.0 // indirect
-	golang.org/x/exp v0.0.0-20221205204356-47842c84f3db // indirect
-	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/sys v0.16.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
-	golang.org/x/tools v0.17.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230807174057-1744710a1577 // indirect
-	google.golang.org/grpc v1.57.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	github.com/pires/go-proxyproto v0.11.0 // indirect
+	github.com/prometheus/client_golang v1.23.0 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.5 // indirect
+	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/crypto v0.48.0 // indirect
+	golang.org/x/mod v0.32.0 // indirect
+	golang.org/x/net v0.51.0 // indirect
+	golang.org/x/sync v0.19.0 // indirect
+	golang.org/x/sys v0.41.0 // indirect
+	golang.org/x/text v0.34.0 // indirect
+	golang.org/x/tools v0.41.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260217215200-42d3e9bedb6d // indirect
+	google.golang.org/grpc v1.79.1 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 )