doc: add maintainer of the bitwarden secret manager provider (#3762)

Signed-off-by: Gergely Brautigam <182850+Skarlso@users.noreply.github.com>

docs/introduction/stability-support.md

@@ -58,7 +58,7 @@ The following table describes the stability level of each provider and who's res
 | [Passbolt](https://external-secrets.io/latest/provider/passbolt)                                           |   alpha   |                                                                                                                                                   |
 | [Infisical](https://external-secrets.io/latest/provider/infisical)                                         |   alpha   | [@akhilmhdh](https://github.com/akhilmhdh)                                                                                       |
 | [Device42](https://external-secrets.io/latest/provider/device42)                                           |   alpha   |                                                                                                                                                   |
-| [Bitwarden Secrets Manager](https://external-secrets.io/latest/provider/bitwarden-secrets-manager)         |   alpha   |                                                                                                                                                   |
+| [Bitwarden Secrets Manager](https://external-secrets.io/latest/provider/bitwarden-secrets-manager)         |   alpha   | [@skarlso](https://github.com/Skarlso)                                                                                           |
 
 ## Provider Feature Support