fix redirects (#10482)

docs/platforms/python/migration/raven-to-sentry-sdk.mdx

@@ -122,4 +122,4 @@ impossible to further improve them for a usecase without breaking somebody
 else's usecase. There is no easy search-and-replace type solution in the new
 SDK.
 
-We encourage you to consider alternative options outlined at [_Filtering Events_](../configuration/filtering/).
+We encourage you to consider alternative options outlined at [_Filtering Events_](/platforms/python/configuration/filtering/).

src/middleware.ts

@@ -65,6 +65,14 @@ const REDIRECTS: Redirect[] = [
     from: '/platforms/javascript/performance/instrumentation/custom-instrumentation/caches-module/',
     to: '/platforms/javascript/guides/node/performance/instrumentation/custom-instrumentation/caches-module/',
   },
+  {
+    from: '/account/early-adopter-features/discord/',
+    to: '/organization/integrations/notification-incidents/discord/',
+  },
+  {
+    from: '/platforms/python/migration/configuration/filtering/',
+    to: '/platforms/python/configuration/filtering/',
+  },
   {
     from: '/organization/integrations/github/',
     to: '/organization/integrations/source-code-mgmt/github/',