chore: bump helm-chart version to 1.0.5

We've had two patches to the helm-chart since the last time we bumped the Chart
version.

- coder@1ffca57
- coder@5a36627

This version bump ensures that chart version has the correct date.

Author: jsjoeio

ci/helm-chart/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 1.0.3
+version: 1.0.4
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to