[release-0.21] Add hyperlink to public.ecr repository (#9460)

* Update packagebundles.md

Added link reference to the https://anywhere.eks.amazonaws.com/docs/packages/packagebundles/ page on the line 25 to redirect user to public.ecr repository

* Update packagebundles.md

---------

Co-authored-by: JobRamos <33988720+JobRamos@users.noreply.github.com>

Author: eks-distro-pr-bot

docs/content/en/docs/packages/packagebundles.md

@@ -22,7 +22,7 @@ NAMESPACE       NAME        STATE
 eksa-packages   v1-27-125   available
 ```
 
-To get a package bundle manually, you can use `oras` to pull the package bundle (bundle.yaml) from the `public.ecr.aws/eks-anywhere` repository. (See the [ORAS CLI official documentation](https://oras.land/docs/) for more details)
+To get a package bundle manually, you can use `oras` to pull the package bundle (bundle.yaml) from the [public.ecr.aws/eks-anywhere](https://gallery.ecr.aws/eks-anywhere/eks-anywhere-packages-bundles) repository. (See the [ORAS CLI official documentation](https://oras.land/docs/) for more details)
 
 ```
 oras pull public.ecr.aws/eks-anywhere/eks-anywhere-packages-bundles:v1-27-latest