Add new button variant "info"

Reviewed-by: Philipp Ahrendt <philipp.ahrendt@cloudogu.com>

gradle/changelog/new-button-variant.yaml

@@ -0,0 +1,2 @@
+- type: added
+  description: New button variant called "info"

scm-ui/ui-core/src/base/buttons/Button.tsx

@@ -29,6 +29,7 @@ export const ButtonVariants = {
   SECONDARY: "secondary",
   TERTIARY: "tertiary",
   SIGNAL: "signal",
+  INFO: "info",
 } as const;
 
 export const ButtonVariantList = Object.values(ButtonVariants);
@@ -41,6 +42,7 @@ const createButtonClasses = (variant?: ButtonVariant, isLoading?: boolean) =>
     "is-primary is-outlined": variant === "secondary",
     "is-primary is-inverted": variant === "tertiary",
     "is-warning": variant === "signal",
+    "is-info is-outlined": variant === "info",
     "is-loading": isLoading,
   });