build(2.0.0-rc9): bump version and update docs

CHANGELOG.md

@@ -2,6 +2,30 @@
 
 New features, fixed bugs, known defects and other noteworthy changes to each release of the Catena-X Portal Backend.
 
+## 2.0.0-RC9
+
+### Changes
+* **Administration Service**
+* enhanced companyDetailsWithAddress endpoint
+* **Apps Service**
+* added roleId for existing activeRoleDetails
+* **Services Service**
+* updated permissions for api endpoints
+
+### Bugfix
+* **Invitation**
+* added decline url for invite process
+* **Seeding**
+* added self description document to initial company
+* **DIM Process Worker**
+* stopped creating technical users for dim
+* **Role assignment**
+* fixed query for core offer to prevent role assignment triggering cascading role assignments
+* **Token lifetime**
+* set ClockSkew (security configuration jwtBearerOptions) to 5 minutes for token expiration
+* **Offersubscription**
+* fixed queries throwing a system exception instead of returning default value
+
 ## 2.0.0-RC8
 
 ### Changes

src/Directory.Build.props

@@ -20,6 +20,6 @@
 <Project>
   <PropertyGroup>
     <VersionPrefix>2.0.0</VersionPrefix>
-    <VersionSuffix>RC8</VersionSuffix>
+    <VersionSuffix>RC9</VersionSuffix>
   </PropertyGroup>
 </Project>