Ignore github.com links for now, fix some other links (#1412)

* Ignore github.com links for now

* fix other links

Author: jtpio

.all-contributorsrc

@@ -315,7 +315,7 @@
       "login": "Zxun2",
       "name": "Zong Xun",
       "avatar_url": "https://avatars.githubusercontent.com/u/63457492?v=4",
-      "profile": "https://dub.sh/lzongxun",
+      "profile": "https://github.com/Zxun2",
       "contributions": [
         "code"
       ]

.github/workflows/build.yml

@@ -169,4 +169,4 @@ jobs:
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
         with:
-          ignore_links: "https://www.linkedin.com/.* https://fellowship.mlh.io/.*"
+          ignore_links: "https://www.linkedin.com/.* https://fellowship.mlh.io/.* https://github.com/.*"

README.md

@@ -342,7 +342,7 @@ The Jupyter Git extension is part of [Project Jupyter](http://jupyter.org/) and
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ZeshanFayyaz"><img src="https://avatars.githubusercontent.com/u/43391249?v=4?s=100" width="100px;" alt="Zeshan Fayyaz"/><br /><sub><b>Zeshan Fayyaz</b></sub></a><br /><a href="https://github.com/jupyterlab/jupyterlab-git/commits?author=ZeshanFayyaz" title="Code">💻</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://dub.sh/lzongxun"><img src="https://avatars.githubusercontent.com/u/63457492?v=4?s=100" width="100px;" alt="Zong Xun"/><br /><sub><b>Zong Xun</b></sub></a><br /><a href="https://github.com/jupyterlab/jupyterlab-git/commits?author=Zxun2" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Zxun2"><img src="https://avatars.githubusercontent.com/u/63457492?v=4?s=100" width="100px;" alt="Zong Xun"/><br /><sub><b>Zong Xun</b></sub></a><br /><a href="https://github.com/jupyterlab/jupyterlab-git/commits?author=Zxun2" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jupytercalpoly"><img src="https://avatars0.githubusercontent.com/u/19445175?v=4?s=100" width="100px;" alt="jupytercalpoly"/><br /><sub><b>jupytercalpoly</b></sub></a><br /><a href="#financial-jupytercalpoly" title="">🤝</a></td>
     </tr>
   </tbody>