Update l9format requirement from =1.3.2 to =1.4.0

Updates the requirements on [l9format](https://github.com/leakix/l9format-python) to permit the latest version.
- [Release notes](https://github.com/leakix/l9format-python/releases)
- [Changelog](https://github.com/LeakIX/l9format-python/blob/main/CHANGELOG.md)
- [Commits](LeakIX/l9format-python@1.3.2...v1.4.0)

---
updated-dependencies:
- dependency-name: l9format
  dependency-version: 1.4.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -7,7 +7,7 @@ authors = ["Danny Willems <danny@leakix.net>"]
 [tool.poetry.dependencies]
 python = "^3.13"
 requests = "*"
-l9format = "=1.3.2"
+l9format = "=1.4.0"
 fire = ">=0.5,<0.8"
 
 [tool.poetry.group.dev.dependencies]