Update GitHub link to point to main branch (#2136)

* Update GitHub link to point to main branch

related to https://github.com/rancher/rancher/issues/51277

* changing master to main on user-cluster.sh script

* updating 2.14

---------

Co-authored-by: Petr Kovar <petr.kovar@suse.com>

docs/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`:
 

versioned_docs/version-2.10/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`:
 

versioned_docs/version-2.11/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`:
 

versioned_docs/version-2.12/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`:
 

versioned_docs/version-2.13/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`:
 

versioned_docs/version-2.14/how-to-guides/new-user-guides/manage-clusters/clean-cluster-nodes.md

@@ -92,7 +92,7 @@ Install [kubectl](https://kubernetes.io/docs/tasks/tools/install-kubectl/).
 
 :::
 
-1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/master/cleanup/user-cluster.sh), and download `user-cluster.sh`.
+1. Open a web browser, navigate to [GitHub](https://github.com/rancher/rancher/blob/main/cleanup/user-cluster.sh), and download `user-cluster.sh`.
 
 1. Make the script executable by running the following command from the same directory as `user-cluster.sh`: