stack/slapos: v↑ slapos.toolbox to 0.142

Going 0.140 -> 0.142 introduces the following changes:

    nexedi/slapos.toolbox@0.140...0.142

Test results: https://erp5js.nexedi.net/#/test_result_module/20240215-D4F3CE96 (all ok)

stack/slapos.cfg

@@ -314,7 +314,7 @@ slapos.rebootstrap = 4.5
 slapos.recipe.build = 0.56
 slapos.recipe.cmmi = 0.19
 slapos.recipe.template = 5.1
-slapos.toolbox = 0.140
+slapos.toolbox = 0.142
 smmap = 5.0.0
 sniffio = 1.3.0
 sortedcontainers = 2.4.0