Bump versions to 0.104.2 #63

Job	Run time
Build Nushell from `main`	2m 57s
Test Plugin: nu_plugin_nu_example	9s
Test Plugin: nu_plugin_node_example	12s
Test Plugin: nu_plugin_custom_values	1m 51s
Test Plugin: nu_plugin_python_example	10s
Test Plugin: nu_plugin_example	1m 52s
	7m 11s

Provide feedback