build(1.2.0-alpha.1): bump version and update docs

Author: evegufy

charts/ssi-credential-issuer/Chart.yaml

@@ -20,8 +20,8 @@
 apiVersion: v2
 name: ssi-credential-issuer
 type: application
-version: 1.1.0
-appVersion: 1.1.0
+version: 1.2.0-alpha.1
+appVersion: 1.2.0-alpha.1
 description: Helm chart for SSI Credential Issuer
 home: https://github.com/eclipse-tractusx/ssi-credential-issuer
 dependencies: