fix(minor): Update English version alumni.yml (#598)

Author: VecToR-1024

i18n/en/docusaurus-plugin-alumni/alumni.yml

@@ -15,7 +15,7 @@
         website: https://qwerzl.me
         email: mailto:[email protected]
       favoredLink: github
-    - name: Vector Tang
+    - name: Dennis Tang
       image: https://github.com/VecToR-1024.png
       bio: UW CS '29. Interested in Computer Vision and Natural Language Processing.
       links: