Update dependency winston to v3.15.0

This MR contains the following updates:

Package	Type	Update	Change
winston	dependencies	minor	3.14.2 -> 3.15.0

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Release Notes

winstonjs/winston (winston)

v3.15.0

Compare Source

Note: we removed LogCallback from the TS definitions because the underlying library didn't actually support these. If this causes issues in your apps, we recommend you remove references to LogCallbacks, since such code was not being executed anyways. See #​2513 and the issue linked therein.

• remove logcallback (#​2513) 3a54777
• chore(docs): Update README.md w/ usage comments (#​2507) f110f61
• Bump nyc from 15.1.0 to 17.1.0 (#​2511) f5dde86
• Bump @​babel/cli from 7.24.7 to 7.25.6 (#​2512) d1b8dc6
• Bump @​babel/preset-env from 7.24.8 to 7.25.4 (#​2506) 564161a
• Bump mocha from 10.7.0 to 10.7.3 (#​2500) eb7e315
• Unified Handler Tests (#​2020) 22aab6d

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