fix(epw): Try using errors='ignore' instead of guessing encoding

[chriswmackey]

This seems like a more elegant solution, which will work for all characters that might exist in an EPW (not just the latin ones).

[github-actions[bot]]

:tada: This PR is included in version 0.39.39 :tada:

The release is available on:

• GitHub release
• v0.39.39

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