blacklist: exclude PTG 2.3.4+

Author: foosel

_data/blacklist.yaml

@@ -41,8 +41,8 @@
     - ">1.5.0"
   reason: "[Issue that causes the extruder to stop working](https://github.com/Willmac16/OctoPrint-GcodeLeveling/issues/5)"
 - plugin: PrintTimeGenius
-  #pluginversions:
-  #  - "<=2.3.3" # add last broken version here
+  pluginversions:
+    - "<2.3.4"
   octoversions:
     - ">=1.11.0rc1"
   reason: "[Issue that breaks file uploads](https://github.com/eyal0/OctoPrint-PrintTimeGenius/issues/322)"