Fix resource management in ModuleCache

[4e6]

Pull Request Description

PR fixes an issue when compiler crashes while trying to load an incompatible IR cache.

Important Notes

Checklist

Please include the following checklist in your PR:

• The documentation has been updated if necessary.
• All code conforms to the Scala, Java, and Rust style guides.
• All code has been tested:
  • Unit tests have been written where possible.
  • If GUI codebase was changed: Enso GUI was tested when built using BOTH ./run dist and ./run watch.

[radeusgd]

Looks good to me.

Would it be possible to add a test for this error scenario or is it too cumbersome to set this up making it not quite worth it?

[4e6]

Would it be possible to add a test for this error scenario or is it too cumbersome to set this up making it not quite worth it?

For the test I'd need to store some old version of IR, and then try to load it. It's not trivial to do