feat(db-migrations): improved logging in patcher.mjs

[emaydeck-mozilla]

Because

• The current version of this script only logs errors. It would be nice to include informational logging for better debugging and testing.

This pull request

• Adds informational logging for the db-migrations patcher script.

Issue that this pull request solves

Closes: # N/A

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• My commit is GPG signed.
• If applicable, I have modified or added tests which pass locally.
• I have added necessary documentation (if appropriate).
• I have verified that my changes render correctly in RTL (if appropriate).

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[dschom]

LGTM