bump single file installer to 3.12.11 to match colab

Author: atravitz

devtools/installer/construct.yaml

@@ -21,7 +21,7 @@ specs:
   - pytest-xdist
   # python needs to match https://github.com/googlecolab/backend-info/blob/main/os-info.txt
   # until colab pushes a fix
-  - python 3.11.12
+  - python 3.12.11
 
 # Not building an .exe for windows or a .pkg for macOS
 installer_type: sh