Update extension index to mention xk6-dns instead of xk6-amqp (#1975)

* Update extension index to mention xk6-dns

Replace mention of xk6-amqp with xk6-dns in the Extensions homepage

* Add workflow to prevent changes to Extensions list

* Revert "Add workflow to prevent changes to Extensions list"

This reverts commit d4ab7ae.

* Apply to previous versions

Author: heitortsergent

docs/sources/k6/next/extensions/_index.md

@@ -65,7 +65,7 @@ The extensions ecosystem provides endless possibilities to expand the functional
 
 - **To add support for a new network protocol**
 
-  For example, [xk6-amqp](https://github.com/grafana/xk6-amqp) gives access to resources using the Advanced Message Queueing Protocol (AMQP). With xk6-amqp, your scripts can create message queues and seed messages for tests that include systems like RabbitMQ or ActiveMQ (among others).
+  For example, [xk6-dns](https://github.com/grafana/xk6-dns) lets users resolve DNS names to IP addresses in k6 scripts. With xk6-dns, you can assert the performance of custom DNS servers under load, and provide a way to resolve DNS names to IP addresses using a specific DNS server.
 
 - **To incorporate a client library for test dependency**
 

docs/sources/k6/v0.57.x/extensions/_index.md

@@ -63,7 +63,7 @@ The extensions ecosystem provides endless possibilities to expand the functional
 
 - **To add support for a new network protocol**
 
-  For example, [xk6-amqp](https://github.com/grafana/xk6-amqp) gives access to resources using the Advanced Message Queueing Protocol (AMQP). With xk6-amqp, your scripts can create message queues and seed messages for tests that include systems like RabbitMQ or ActiveMQ (among others).
+  For example, [xk6-dns](https://github.com/grafana/xk6-dns) lets users resolve DNS names to IP addresses in k6 scripts. With xk6-dns, you can assert the performance of custom DNS servers under load, and provide a way to resolve DNS names to IP addresses using a specific DNS server.
 
 - **To incorporate a client library for test dependency**
 

docs/sources/k6/v1.0.x/extensions/_index.md

@@ -65,7 +65,7 @@ The extensions ecosystem provides endless possibilities to expand the functional
 
 - **To add support for a new network protocol**
 
-  For example, [xk6-amqp](https://github.com/grafana/xk6-amqp) gives access to resources using the Advanced Message Queueing Protocol (AMQP). With xk6-amqp, your scripts can create message queues and seed messages for tests that include systems like RabbitMQ or ActiveMQ (among others).
+  For example, [xk6-dns](https://github.com/grafana/xk6-dns) lets users resolve DNS names to IP addresses in k6 scripts. With xk6-dns, you can assert the performance of custom DNS servers under load, and provide a way to resolve DNS names to IP addresses using a specific DNS server.
 
 - **To incorporate a client library for test dependency**
 

docs/sources/k6/v1.1.x/extensions/_index.md

@@ -65,7 +65,7 @@ The extensions ecosystem provides endless possibilities to expand the functional
 
 - **To add support for a new network protocol**
 
-  For example, [xk6-amqp](https://github.com/grafana/xk6-amqp) gives access to resources using the Advanced Message Queueing Protocol (AMQP). With xk6-amqp, your scripts can create message queues and seed messages for tests that include systems like RabbitMQ or ActiveMQ (among others).
+  For example, [xk6-dns](https://github.com/grafana/xk6-dns) lets users resolve DNS names to IP addresses in k6 scripts. With xk6-dns, you can assert the performance of custom DNS servers under load, and provide a way to resolve DNS names to IP addresses using a specific DNS server.
 
 - **To incorporate a client library for test dependency**