Bump nextline-schedule from 0.5.2 to 0.5.3

Bumps [nextline-schedule](https://github.com/simonsobs/nextline-schedule) from 0.5.2 to 0.5.3.
- [Release notes](https://github.com/simonsobs/nextline-schedule/releases)
- [Commits](simonsobs/nextline-schedule@v0.5.2...v0.5.3)

---
updated-dependencies:
- dependency-name: nextline-schedule
  dependency-version: 0.5.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,5 +1,5 @@
 sorunlib==0.1.32
-nextline-schedule==0.5.2
+nextline-schedule==0.5.3
 nextline-alert==0.10.0
 nextline-rdb==0.7.0
 tzdata==2025.2