ci: update Python version support

Author: ahnv

.github/workflows/test.yml

@@ -7,7 +7,7 @@ jobs:
         runs-on: ubuntu-22.04
         strategy:
             matrix:
-                python: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+                python: [3.6, 3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
                 urllib3-line: ["lt2", "ge2"]
                 exclude:
                   - python: "3.7"

requirements/requirements.txt

@@ -3,14 +3,11 @@ requests_toolbelt>=1.0.0
 # ------------ Python >= 3.9 ------------
 requests>=2.32.2; python_version >= "3.9"
 urllib3<3; python_version >= "3.9"
-responses>=0.25.0; python_version >= "3.9"
 
 # ------------ 3.7 <= Python < 3.9 ------------
 requests>=2.22.0,<2.32; python_version >= "3.7" and python_version < "3.9"
 urllib3<2; python_version >= "3.7" and python_version < "3.9"
-responses>=0.23.0,<0.25; python_version >= "3.7" and python_version < "3.9"
 
 # ------------ Python < 3.7 ------------
 requests>=2.22.0,<2.28; python_version < "3.7"
-urllib3<2; python_version < "3.7"
-responses>=0.20.0,<0.22; python_version < "3.7"
+urllib3<2; python_version < "3.7"

requirements/test.txt

@@ -3,17 +3,19 @@ requests_toolbelt>=1.0.0
 # ------------ Python >= 3.9 ------------
 requests>=2.32.2; python_version >= "3.9"
 urllib3<3; python_version >= "3.9"
-responses>=0.25.0; python_version >= "3.9"
+
 
 # ------------ 3.7 <= Python < 3.9 ------------
 requests>=2.22.0,<2.32; python_version >= "3.7" and python_version < "3.9"
 urllib3<2; python_version >= "3.7" and python_version < "3.9"
-responses>=0.23.0,<0.25; python_version >= "3.7" and python_version < "3.9"
 
 # ------------ Python < 3.7 ------------
 requests>=2.22.0,<2.28; python_version < "3.7"
 urllib3<2; python_version < "3.7"
-responses>=0.20.0,<0.22; python_version < "3.7"
+
+responses>=0.25.0; python_version >= "3.8"
+responses>=0.18.0,<0.25; python_version >= "3.7" and python_version < "3.8"
+responses<0.18.0; python_version < "3.7"
 
 black==19.10b0
 coverage==4.5.4