fix(deps): update sretoolbox requirement from ~=1.3.0 to >=1.3,<1.5

Updates the requirements on [sretoolbox](https://github.com/app-sre/sretoolbox) to permit the latest version.
- [Release notes](https://github.com/app-sre/sretoolbox/releases)
- [Commits](app-sre/sretoolbox@1.3.0...1.4.0)

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

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

Author: dependabot[bot]

setup.py

@@ -58,7 +58,7 @@ def get_version():
         "PyYAML~=5.4.1",
         "jsonschema~=4.7",
         "requests~=2.23",
-        "sretoolbox~=1.3.0",
+        "sretoolbox>=1.3,<1.5",
         "semver~=2.13.0",
         "python-gitlab~=2.6",
         "checksumdir~=1.2",