add legacy-cgi to setup.py (#133)

* add legacy-cgi to setup.py

* change ubuntu version from latest to 22.04 in the unit testing workflow

* install legacy-cgi only when python version >=3.10

Author: sharmaharisam

.github/workflows/unit.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     strategy:
       matrix:
         python: [3.7, 3.8, 3.9, '3.10', '3.11']

setup.py

@@ -26,6 +26,7 @@
         "ruamel.yaml>=0.17.7",
         "six>=1.15.0",
         "urllib3>=1.26.2,<2",
+        "legacy-cgi>=2.6.2; python_version>='3.10'",
     ],
     classifiers=[
         "Programming Language :: Python :: 3",