Update usage-examples.md

Author: seanarmstrong87

docs/examples/azure/gitversion/execute/usage-examples.md

@@ -8,7 +8,7 @@ Note that if the pipeline is setup to use a shallow git fetch mode the GitVersio
 
 ```yaml
 - checkout: self
- fetchDepth: 1
+ fetchDepth: 0
 ```
 
 ## Inputs