Merge branch v3.0 into master

integration/fixtures/k8s_gateway.toml

@@ -27,3 +27,4 @@
     address = ":8443"
 
 [providers.kubernetesGateway]
+    experimentalChannel = true

integration/fixtures/tcp/service_errors.toml

@@ -24,10 +24,12 @@
   [tcp.routers.router1]
     service = "service1"
     rule = "HostSNI(`snitest.net`)"
+    [tcp.routers.router1.tls]
 
   [tcp.routers.router2]
     service = "service2"
     rule = "HostSNI(`snitest.com`)"
+    [tcp.routers.router2.tls]
 
 [tcp.services]
   [tcp.services.service1]

integration/fixtures/tracing/simple-opentelemetry.toml

@@ -15,6 +15,17 @@
   [entryPoints.web]
     address = ":8000"
 
+# Adding metrics to confirm that there is no wrong interaction with tracing.
+[metrics]
+{{if .IsHTTP}}
+  [metrics.otlp.http]
+    endpoint = "http://{{.IP}}:4318"
+{{else}}
+  [metrics.otlp.grpc]
+    endpoint = "{{.IP}}:4317"
+    insecure = true
+{{end}}
+
 [tracing]
   servicename = "tracing"
   sampleRate = 1.0