add CoLa5 as a contributor for bug, and code (#1812)

* update README.md [skip ci]

* update .all-contributorsrc [skip ci]

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -1706,7 +1706,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/61389643?v=4",
       "profile": "https://github.com/CoLa5",
       "contributions": [
-        "bug"
+        "bug",
+        "code"
       ]
     },
     {

README.md

@@ -353,7 +353,7 @@ This library could only exist thanks to the dedication of many volunteers around
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/amidou-naba"><img src="https://avatars.githubusercontent.com/u/234197600?v=4?s=100" width="100px;" alt="amidou-naba"/><br /><sub><b>amidou-naba</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/commits?author=amidou-naba" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://rittau.org/"><img src="https://avatars.githubusercontent.com/u/52799?v=4?s=100" width="100px;" alt="Sebastian Rittau"/><br /><sub><b>Sebastian Rittau</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/commits?author=srittau" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/paulsuh"><img src="https://avatars.githubusercontent.com/u/297348?v=4?s=100" width="100px;" alt="Paul Suh"/><br /><sub><b>Paul Suh</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/commits?author=paulsuh" title="Documentation">📖</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/CoLa5"><img src="https://avatars.githubusercontent.com/u/61389643?v=4?s=100" width="100px;" alt="CoLa"/><br /><sub><b>CoLa</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/issues?q=author%3ACoLa5" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/CoLa5"><img src="https://avatars.githubusercontent.com/u/61389643?v=4?s=100" width="100px;" alt="CoLa"/><br /><sub><b>CoLa</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/issues?q=author%3ACoLa5" title="Bug reports">🐛</a> <a href="https://github.com/py-pdf/fpdf2/commits?author=CoLa5" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/makapuf"><img src="https://avatars.githubusercontent.com/u/610577?v=4?s=100" width="100px;" alt="makapuf"/><br /><sub><b>makapuf</b></sub></a><br /><a href="https://github.com/py-pdf/fpdf2/issues?q=author%3Amakapuf" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://pawansingh3889.github.io"><img src="https://avatars.githubusercontent.com/u/42340841?v=4?s=100" width="100px;" alt="Pawan Singh Kapkoti"/><br /><sub><b>Pawan Singh Kapkoti</b></sub></a><br /><a href="#translation-Pawansingh3889" title="Translation">🌍</a></td>
     </tr>