Bump CI pipeline (#87)

Author: BernieWhite

.azure-pipelines/azure-pipelines.yaml

@@ -2,12 +2,12 @@
 # CI pipeline for PSDocs.Azure
 
 variables:
-  version: '0.3.0'
+  version: '0.4.0'
   buildConfiguration: 'Release'
   disable.coverage.autogenerate: 'true'
   imageName: 'ubuntu-18.04'
 
- # Use build number format, i.e. 0.2.0-B2101001
+ # Use build number format, i.e. 0.4.0-B2101001
 name: $(version)-B$(date:yyMM)$(rev:rrr)
 
 trigger: