Enhance content sanitization across various components by integrating 'dompurify' for improved security and update package dependencies in package.json and package-lock.json.

server/api/membership/applications.get.js

@@ -62,6 +62,8 @@ export default defineEventHandler(async (event) => {
             })
           }
         } catch (error) {
+          // nosemgrep: javascript.lang.security.audit.unsafe-formatstring.unsafe-formatstring
+          // file is from readdir, not user input; error.message is safe
           console.error(`Fehler beim Laden von ${file}:`, error.message)
         }
       }