chore(deps): update pre-commit hook commitizen-tools/commitizen to v4 (#166)

* chore(deps): update pre-commit hook commitizen-tools/commitizen to v4

* chore: README tweaks

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Matt Dainty <matt@bodgit-n-scarper.com>

Author: renovate[bot]

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v3.5.3
+    rev: v4.13.10
     hooks:
       - id: commitizen
   - repo: https://github.com/golangci/golangci-lint

README.md

@@ -17,7 +17,15 @@ This is most useful for allowing
 for dealing with Windows DNS servers that require 'Secure only' updates or
 BIND if it has been configured to use Kerberos.
 
-> :warning: Windows DNS servers don't accept wildcard resource names in dynamic updates.
+## Notable users
+
+* [https://github.com/hashicorp/terraform-provider-dns](https://github.com/hashicorp/terraform-provider-dns)
+* [https://github.com/go-acme/lego](https://github.com/go-acme/lego)
+* [https://github.com/kubernetes-sigs/external-dns](https://github.com/kubernetes-sigs/external-dns)
+
+## Usage
+
+> :warning: Windows DNS servers don't accept wildcard resource names and only a subset of record types in dynamic updates.
 
 Here is an example client, it is necessary that your Kerberos or Active
 Directory environment is configured and functional: