fix(ci): Set nextcloud/ocp to stable29

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

composer.json

@@ -18,7 +18,7 @@
 		"phpunit/phpunit": "^9.5.26",
 		"nextcloud/coding-standard": "^1.0.0",
 		"vimeo/psalm": "5.x",
-		"nextcloud/ocp": "dev-master"
+		"nextcloud/ocp": "dev-stable29"
 	},
 	"config": {
 		"optimize-autoloader": true,