chore: Update admin command docs

docs/reference/admin/oidc.md

@@ -0,0 +1,13 @@
+<!-- This file is generated by `cargo xtask generate-docs`. Do not edit. -->
+# `!admin oidc`
+
+Commands for managing OIDC
+
+
+## `!admin oidc link`
+
+Link a user ID to the given subject claim
+
+## `!admin oidc unlink`
+
+Unlink the given subject claim from its associated user ID