Loosen install requirements to avoid dependency conflicts

Author: dave-v

setup.py

@@ -76,8 +76,8 @@
     # requirements files see:
     # https://packaging.python.org/en/latest/requirements.html
     install_requires=[
-        'requests==2.25.1',
-        'PyYAML==5.4.1'
+        'requests>=2.25',
+        'PyYAML>=5.4'
     ],
 
     # List additional groups of dependencies here (e.g. development