Update dependency versions -- including up to leptos 0.7.4.

[azriel91]

Release build of envman now doesn't crash on the web interface.

[codecov]

Codecov Report

Attention: Patch coverage is 4.13793% with 139 lines in your changes missing coverage. Please review.

Project coverage is 88.41%. Comparing base (5cef63d) to head (2e4bad9).
Report is 12 commits behind head on main.

Files with missing lines	Patch %	Lines
crate/webi_components/src/flow_graph.rs	0.00%	34 Missing ⚠️
crate/webi_components/src/flow_graph_current.rs	0.00%	32 Missing ⚠️
crate/webi_components/src/shell.rs	0.00%	31 Missing ⚠️
crate/webi_output/src/webi_server.rs	0.00%	20 Missing ⚠️
crate/webi_components/src/app.rs	0.00%	16 Missing ⚠️
crate/webi_components/src/children_fn.rs	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #200      +/-   ##
==========================================
- Coverage   88.43%   88.41%   -0.02%     
==========================================
  Files         451      430      -21     
  Lines       45263    45205      -58     
==========================================
- Hits        40027    39969      -58     
  Misses       5236     5236              

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