chore: remove 3.6 CI support (#1683)

* chore: remove 3.6 CI support

* Update ci-build.yml

* test against pypy3.11

* support pypy3.11 in other PR

Author: WilliamBergamin

.github/workflows/ci-build.yml

@@ -8,8 +8,7 @@ on:
 
 jobs:
   build:
-    # Avoiding -latest due to https://github.com/actions/setup-python/issues/162
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     timeout-minutes: 15
     strategy:
       fail-fast: false
@@ -22,7 +21,6 @@ jobs:
           - "3.9"
           - "3.8"
           - "3.7"
-          - "3.6"
           - "pypy3.10"
     env:
       CI_LARGE_SOCKET_MODE_PAYLOAD_TESTING_DISABLED: "1"