chore: replace deleted contributor's avatar with ghost

README.md

@@ -266,5 +266,5 @@ The following users have inspired features or noticed important issues:
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 |                                 [![Yamlcase](https://avatars.githubusercontent.com/u/27447701?v=4&s=48)](https://github.com/YAMLcase) | [Yamlcase](https://github.com/YAMLcase)                                 | Support for indent-style syntax      |
 |         [<img src="https://avatars.githubusercontent.com/u/2105693?v=4&s=48" width="48" alt="lavermil">](https://github.com/lavermil) | [lavermil](https://github.com/lavermil)                                 | Multilevel sorting                   |
-| [![centigrade-thomas-becker](https://avatars.githubusercontent.com/u/11942729?v=4&s=48)](https://github.com/centigrade-thomas-becker) | [centigrade-thomas-becker](https://github.com/centigrade-thomas-becker) | auto-sort on save                    |
+| [![centigrade-thomas-becker](https://avatars.githubusercontent.com/u/10137?s=48&v=4)](https://github.com/centigrade-thomas-becker) | [centigrade-thomas-becker](https://github.com/centigrade-thomas-becker) | auto-sort on save                    |
 |                                     [![axefrog](https://avatars.githubusercontent.com/u/298883?v=4&s=48)](https://github.com/axefrog) | [axefrog](https://github.com/axefrog)                                   | language specific extension settings |