fix(develop): add redirect for old database migrations url (#11789)

Author: shellmayr

redirects.js

@@ -166,6 +166,10 @@ const developerDocsRedirects = [
     source: '/development/philosophy/',
     destination: '/getting-started/philosophy/',
   },
+  {
+    source: '/development/database-migrations/',
+    destination: '/backend/database-migrations/',
+  },
   {
     source: '/services/metrics/',
     destination: '/backend/metrics/',