Update to emsdk 3.1.73

[mcbarton]

Description

Please include a summary of changes, motivation and context for this PR.

This is a PR to upgrade the emsdk version we use to version 3.1.73, once emscripten forge is finished with its transition to this version.

Fixes # (issue)

Type of change

Please tick all options which are relevant.

• Bug fix
• New feature
• Added/removed dependencies
• Required documentation updates

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.72%. Comparing base (8f79e18) to head (26091d5).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #224   +/-   ##
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  Coverage   80.72%   80.72%           
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  Files          19       19           
  Lines         970      970           
  Branches       93       93           
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  Hits          783      783           
  Misses        187      187           

[anutosh491]

Perfect

[anutosh491]

Ahhh we need to use the correct channel here. I think all updated packages built with the new version are being uploaded to
https://repo.prefix.dev/emscripten-forge-dev

See here https://prefix.dev/channels/emscripten-forge-dev/packages/cppinterop

[anutosh491]

I expect the build to pass, but we should replicate this locally and try what works as of now (atleast the example notebook again from start) and only then we can ensure this is the change to make. Cause the CI would pass anyways but we don't test the example notebook hence though stuff builds it might not run completely I'm guessing untill we try !

[anutosh491]

Change to ubuntu-24.04
for now. I see some error involving mamba here. I've raised it to the mamba folks !