Support multiple namespaces for Consul and ConsulCatalog providers

Co-authored-by: Kevin Pollet <pollet.kevin@gmail.com>

docs/content/reference/static-configuration/file.yaml

@@ -32,12 +32,6 @@ entryPoints:
       trustedIPs:
       - foobar
       - foobar
-    http2:
-      maxConcurrentStreams: 42
-    http3:
-      advertisedPort: 42
-    udp:
-      timeout: 42
     http:
       redirections:
         entryPoint:
@@ -60,6 +54,8 @@ entryPoints:
             sans:
               - foobar
               - foobar
+    http2:
+      maxConcurrentStreams: 42
     http3:
       advertisedPort: 42
     udp:
@@ -173,6 +169,9 @@ providers:
     connectByDefault: true
     serviceName: foobar
     namespace: foobar
+    namespaces:
+      - foobar
+      - foobar
     watch: true
     endpoint:
       address: foobar
@@ -210,6 +209,9 @@ providers:
     password: foobar
     token: foobar
     namespace: foobar
+    namespaces:
+      - foobar
+      - foobar
     tls:
       ca: foobar
       caOptional: true
@@ -224,7 +226,6 @@ providers:
     username: foobar
     password: foobar
     token: foobar
-    namespace: foobar
     tls:
       ca: foobar
       caOptional: true
@@ -239,7 +240,6 @@ providers:
     username: foobar
     password: foobar
     token: foobar
-    namespace: foobar
     tls:
       ca: foobar
       caOptional: true
@@ -254,7 +254,6 @@ providers:
     username: foobar
     password: foobar
     token: foobar
-    namespace: foobar
     tls:
       ca: foobar
       caOptional: true