🧑‍💻(helm) rename minio root user password

Using "impress" as the name of minio's root user in Tilt's
dev environment, was triggering obfuscation of the logs in Tilt's
console each time the word "impress" was used.
This made the logs hard to read.

src/helm/helmfile.yaml

@@ -25,7 +25,7 @@ releases:
     version: 12.10.10
     values: 
       - auth:
-          rootUser: impress
+          rootUser: root
           rootPassword: password
       - provisioning:
           enabled: true