fix: declare direct dependencies requests and urllib3

redmine_reporter/client.py imports requests and urllib3 directly but
they were only available transitively via python-redmine. Retry with
allowed_methods requires urllib3 >= 1.26.

Closes #66

pyproject.toml

@@ -24,6 +24,8 @@ dependencies = [
     "odfpy>=1.4.0",
     "openpyxl>=3.1.0",
     "pyyaml>=6.0",
+    "requests>=2.31",
+    "urllib3>=1.26",
 ]
 
 [project.optional-dependencies]