Update vault-plugin-secrets-ad to v0.19.0 (#28361)

---------

Co-authored-by: hc-github-team-secure-vault-ecosystem <[email protected]>

changelog/28361.txt

@@ -0,0 +1,3 @@
+```release-note:change
+secrets/ad: Update plugin to v0.19.0
+```

go.mod

@@ -142,7 +142,7 @@ require (
 	github.com/hashicorp/vault-plugin-database-redis-elasticache v0.5.0
 	github.com/hashicorp/vault-plugin-database-snowflake v0.12.0
 	github.com/hashicorp/vault-plugin-mock v0.16.1
-	github.com/hashicorp/vault-plugin-secrets-ad v0.18.0
+	github.com/hashicorp/vault-plugin-secrets-ad v0.19.0
 	github.com/hashicorp/vault-plugin-secrets-alicloud v0.18.0
 	github.com/hashicorp/vault-plugin-secrets-azure v0.20.0
 	github.com/hashicorp/vault-plugin-secrets-gcp v0.20.0

go.sum

@@ -1577,8 +1577,8 @@ github.com/hashicorp/vault-plugin-database-snowflake v0.12.0 h1:rykZv8cV7W6iSeR9
 github.com/hashicorp/vault-plugin-database-snowflake v0.12.0/go.mod h1:grT3WmPmEiRY6zjEkJJ781jWq7h9Yg68jlU8G/BXuBU=
 github.com/hashicorp/vault-plugin-mock v0.16.1 h1:5QQvSUHxDjEEbrd2REOeacqyJnCLPD51IQzy71hx8P0=
 github.com/hashicorp/vault-plugin-mock v0.16.1/go.mod h1:83G4JKlOwUtxVourn5euQfze3ZWyXcUiLj2wqrKSDIM=
-github.com/hashicorp/vault-plugin-secrets-ad v0.18.0 h1:amSAV4+W3wBWfuOQk1TA8lHETsrQ7c8PC2PDjroRQMI=
-github.com/hashicorp/vault-plugin-secrets-ad v0.18.0/go.mod h1:Dz4s3LTMaZg1wZs41Zqe0vAW19c0HSUzQN36yGzzO+U=
+github.com/hashicorp/vault-plugin-secrets-ad v0.19.0 h1:jt5flxYYEaqXasCNzE8MUsA1qWe2FjOWhS1viRpqsbE=
+github.com/hashicorp/vault-plugin-secrets-ad v0.19.0/go.mod h1:FlrqHh3gDEOx81OEMFRPGgle+IlnKJUs+3HPYL8bawc=
 github.com/hashicorp/vault-plugin-secrets-alicloud v0.18.0 h1:LCaOtwItk9x4lYVKjNyj1+AG+8423O9jSYcw7NBeick=
 github.com/hashicorp/vault-plugin-secrets-alicloud v0.18.0/go.mod h1:We2m27w9q7uQgF1UULA3TtcUH6LnA4ItuiujhvvAGOU=
 github.com/hashicorp/vault-plugin-secrets-azure v0.20.0 h1:rWsyvZQzF2G1Wkvp624yNIoZHeB7gQ4/Nxk9WuA9HtA=