tracing-appender: time@0.3.42 or newer breaks MSRV

## Bug Report

The crate `time` depended by `tracing-appender` changes its MSRV to 1.81 since v0.3.42, while `tracing-appender`'s MSRV is still 1.63, which is confusing.

### Version

0.3.2

### Platform

Not related

### Crates

tracing-appender

### Description

MSRV issue.
