Update pydot requirement from <3,>=1.4.1 to >=1.4.1,<4

Updates the requirements on [pydot](https://github.com/pydot/pydot) to permit the latest version.
- [Changelog](https://github.com/pydot/pydot/blob/main/ChangeLog)
- [Commits](pydot/pydot@v1.4.1...v3.0.2)

---
updated-dependencies:
- dependency-name: pydot
  dependency-type: direct:production
...

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

requirements.txt

@@ -7,7 +7,7 @@ mypy-extensions
 psutil>=5.6.6
 importlib_resources>=1.4;python_version<'3.9'
 coloredlogs
-pydot>=1.4.1,<3
+pydot>=1.4.1,<4
 argcomplete>=1.12.0
 pyparsing!=3.0.2  # breaks --print-dot (pydot) https://github.com/pyparsing/pyparsing/issues/319
 cwl-utils>=0.32

setup.py

@@ -130,7 +130,7 @@
         "mypy-extensions",
         "psutil >= 5.6.6",
         "coloredlogs",
-        "pydot >= 1.4.1, <3",
+        "pydot >= 1.4.1, < 4",
         "argcomplete >= 1.12.0",
         "pyparsing != 3.0.2",  # breaks --print-dot (pydot) https://github.com/pyparsing/pyparsing/issues/319
         "cwl-utils >= 0.32",