restore build files

Author: leafty

.github/workflows/build.yaml

@@ -3,7 +3,6 @@ charts:
     imagePrefix: renku/
     resetTag: ""
     resetVersion: 0.2.0
-    baseVersion: 0.7.0-0.dev
     repo:
       git: SwissDataScienceCenter/helm-charts
       published: https://swissdatasciencecenter.github.io/helm-charts