Revert ops update

Author: carlcsaposs-canonical

poetry.lock

@@ -10,7 +10,7 @@ authors = []
 
 [tool.poetry.dependencies]
 python = "^3.10"
-ops = "^2.11.0"
+ops = "^2.6.0"
 lightkube = "^0.15.2"
 tenacity = "^8.2.3"
 jinja2 = "^3.1.3"
@@ -61,7 +61,7 @@ juju = "^3.2.2"
 mysql-connector-python = "~8.0.33"
 pyyaml = "^6.0.1"
 tenacity = "^8.2.3"
-ops = "^2.11.0"
+ops = "2.6.0"
 allure-pytest = "^2.13.3"