chore(deps): add openstacksdk

Closes #269
diff --git a/pyproject.toml b/pyproject.toml
index ab54603..8a40a47 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,7 +20,7 @@
 tomli = { version = "^2.0.1", optional = true }
 jsonnet = { version = "^0.18.0", optional = true }
 kopf = { version = "^1.36.0", optional = true, extras = ["uvloop"] }
-openstacksdk = { version = "<0.99.0", optional = true }
+openstacksdk = "<0.99.0"
 validators = { version = "^0.20.0", optional = true }
 docker-image-py = "^0.1.12"
 
@@ -36,7 +36,6 @@
   "tomli",
   "jsonnet",
   "kopf",
-  "openstacksdk",
   "validators",
 ]