chore: disable test cases except 3.7 and 3.8

Author: ahnv

.github/workflows/test.yml

@@ -7,13 +7,15 @@ jobs:
         runs-on: ubuntu-22.04
         strategy:
             matrix:
-                python: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
-                urllib3-line: ["lt2", "ge2"]
-                exclude:
-                  - python: "3.7"
-                    urllib3-line: "ge2"
-                  - python: "3.8"
-                    urllib3-line: "ge2"
+                # python: [3.7, 3.8, 3.9, '3.10', '3.11', '3.12']
+                python: [3.7, 3.8]
+                # urllib3-line: ["lt2", "ge2"]
+                urllib3-line: ["lt2"]
+                # exclude:
+                #   - python: "3.7"
+                #     urllib3-line: "ge2"
+                #   - python: "3.8"
+                #     urllib3-line: "ge2"
         steps:
             - uses: actions/checkout@v5
             - name: Setup Python