fix: correct f-string syntax in OPA plugin error logging

The f-string at line 225 had incorrect syntax with the colon and
variable inside the format specifier. Changed from:
  f"{OPAPluginErrorCodes.UNSUPPORTED_HOOK_TYPE.value: {hook}}"
to:
  f"{OPAPluginErrorCodes.UNSUPPORTED_HOOK_TYPE.value}: {hook}"

Signed-off-by: Mihai Criveti <crivetimihai@gmail.com>

Author: crivetimihai

plugins/external/opa/opapluginfilter/plugin.py

@@ -222,7 +222,7 @@ def _preprocess_opa(self, policy_apply_config: AppliedTo = None, payload: HookPa
                     hook_name = hook.resource_uri
                     payload_name = payload.uri
                 else:
-                    logger.error(f"{OPAPluginErrorCodes.UNSUPPORTED_HOOK_TYPE.value: {hook}}")
+                    logger.error(f"{OPAPluginErrorCodes.UNSUPPORTED_HOOK_TYPE.value}: {hook}")
                     raise PluginError(PluginErrorModel(message=OPAPluginErrorCodes.UNSUPPORTED_HOOK_TYPE.value, plugin_name="OPAPluginFilter"))
 
                 if payload_name == hook_name or hook_name in payload_name: