There's a closed pull request on the void-packages repository

xterm: update to 377
https://github.com/void-linux/void-packages/pull/41411

Description:
#### Testing the changes
- I tested the changes in this PR: **briefly**

#### Local build testing
- I built this PR locally for my native architecture, x86_64-glibc
- I built this PR locally for these architectures:
  - x86_64-musl
  - aarch64 (crossbuild)
  - armv7l (crossbuild)