feat: split integrations.bitbucket -> bitbucketCloud / bitbucketServer

Split `integrations.bitbucket` into `integrations.bitbucketCloud`
and `integrations.bitbucketServer`
while staying backwards compatible for now
(== `BitbucketIntegration` loads from the new configs, too, if the old is not used).

Relates-to: #9923
Signed-off-by: Patrick Jungermann <Patrick.Jungermann@gmail.com>

packages/integration/config.d.ts

@@ -31,7 +31,10 @@ export interface Config {
       token?: string;
     }>;
 
-    /** Integration configuration for Bitbucket */
+    /**
+     * Integration configuration for Bitbucket
+     * @deprecated replaced by bitbucketCloud and bitbucketServer
+     */
     bitbucket?: Array<{
       /**
        * The hostname of the given Bitbucket instance
@@ -60,6 +63,39 @@ export interface Config {
       appPassword?: string;
     }>;
 
+    /** Integration configuration for Bitbucket Cloud */
+    bitbucketCloud?: Array<{
+      /**
+       * The username to use for authenticated requests.
+       * @visibility secret
+       */
+      username: string;
+      /**
+       * Bitbucket Cloud app password used to authenticate requests.
+       * @visibility secret
+       */
+      appPassword: string;
+    }>;
+
+    /** Integration configuration for Bitbucket Server */
+    bitbucketServer?: Array<{
+      /**
+       * The hostname of the given Bitbucket Server instance
+       * @visibility frontend
+       */
+      host: string;
+      /**
+       * Token used to authenticate requests.
+       * @visibility secret
+       */
+      token?: string;
+      /**
+       * The base url for the Bitbucket Server API, for example https://<host>/rest/api/1.0
+       * @visibility frontend
+       */
+      apiBaseUrl?: string;
+    }>;
+
     /** Integration configuration for Gerrit */
     gerrit?: Array<{
       /**