fix: update tutorial title (#523)

## Description

Updated tutorial title to "Tutorial - Create a Pepr Module" from
"Tutorial - Create a Tutorial - Create a Pepr Module"

## Related Issue

Fixes #522
<!-- or -->
Relates to #

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [x ] Other (security config, docs update, etc)

## Checklist before merging

- [ x] Test, docs, adr added or updated as needed
- [ x] [Contributor Guide
Steps](https://github.com/defenseunicorns/pepr/blob/main/CONTRIBUTING.md#submitting-a-pull-request)
followed

docs/040_pepr-tutorials/010_create-pepr-module.md

@@ -1,4 +1,4 @@
-# Tutorial - Create a Tutorial - Create a Pepr Module
+# Tutorial - Create a Pepr Module
 
 ## Introduction
 
@@ -98,4 +98,3 @@ module.start();
 ## Summary
 
 Checkout some examples of Pepr modules in the [excellent examples repo](https://github.com/defenseunicorns/pepr-excellent-examples). If you have questions after that, please reach out to us on [Slack](https://kubernetes.slack.com/archives/C06DGH40UCB) or [GitHub Issues](https://github.com/defenseunicorns/pepr/issues)
-