chore(deps): update dependencies and configuration files

Configuration updates:
- biome.json: Upgrade schema to 2.3.8
- cspell.json: Add "Codierungsunterstützung" to German dictionary
- tsconfig.json: Remove extra blank lines, add .next/dev/types to includes
- package-lock.json: Update AWS SDK and related dependencies

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ericyangpan

biome.json

@@ -1,5 +1,5 @@
 {
-  "$schema": "https://biomejs.dev/schemas/2.3.7/schema.json",
+  "$schema": "https://biomejs.dev/schemas/2.3.8/schema.json",
   "vcs": {
     "enabled": true,
     "clientKind": "git",

cspell.json

@@ -46,6 +46,7 @@
     "Codierungsassistenz",
     "Codierungserfahrung",
     "Codierungsplattform",
+    "Codierungsunterstützung",
     "Entwicklungsworkflows",
     "hrefs",
     "Integrationen",