update docs

Author: solababs

docs/docs/reference/configuration.mdx

@@ -53,6 +53,8 @@ Here are a few common methods of setting environmental variables:
 | `INFRAHUB_GIT_SYNC_INTERVAL` | Time (in seconds) between git repositories synchronizations | integer | 10 |
 | `INFRAHUB_GIT_APPEND_GIT_SUFFIX` | Automatically append '.git' to HTTP URLs if for these domains. | array[string] | None |
 | `INFRAHUB_GIT_IMPORT_SYNC_BRANCH_NAMES` | Names or regex of branches to be created in infrahub during import e.g. 'infrahub/.*', 'release/.*', '^branch-'. Note: other branches created with sync with git will be imported also | array[string] | None |
+| `INFRAHUB_GIT_USER_NAME` | User name of the git user | None | None |
+| `INFRAHUB_GIT_USER_EMAIL` | Email of the git user | None | None |
 
 ## Dev