doc: updated contributors file

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: bot-go-openapi[bot]

CONTRIBUTORS.md

@@ -0,0 +1,17 @@
+# Contributors
+
+- Repository: ['go-openapi/inflect']
+
+| Total Contributors | Total Contributions |
+| --- | --- |
+| 5  | 39  |
+
+| Username | All Time Contribution Count | All Commits |
+| --- | --- | --- |
+| @fredbi | 18 | https://github.com/go-openapi/inflect/commits?author=fredbi |
+| @chrisfarms | 15 | https://github.com/go-openapi/inflect/commits?author=chrisfarms |
+| @hirochachacha | 4 | https://github.com/go-openapi/inflect/commits?author=hirochachacha |
+| @casualjim | 1 | https://github.com/go-openapi/inflect/commits?author=casualjim |
+| @roktas | 1 | https://github.com/go-openapi/inflect/commits?author=roktas |
+
+ _this file was generated by the [Contributors GitHub Action](https://github.com/github/contributors)_