Fix typo in changelog

CHANGELOG.md

@@ -9,7 +9,7 @@
   either as a secret or have it present in your `/config` folder. A sample is included in the
   `sampleConfiguration` folder as a base to start from. It is essentially what was in the separate files previously now just merged
   into one file. Additionally all environment variables except for `TZ` are now just settings in this file. Any other environment
-  variables for the ai-trigger container can be removed from your Docker configuration.
+  variables for the trigger container can be removed from your Docker configuration.
 - The source code repository's latest builds now produce out of the `main` branch. This means the location of the schema files
   has moved. If your `triggers.json` file has `master` in the `$schema` property you will need to update them
   to say `main` instead.