fix molecule requirements

Currently requests >= 2.31.0 seems broken molecule docker connect
with error: `Unable to contact the Docker daemon`

Author: ricolin

molecule/kubernetes/prepare.yml

@@ -39,6 +39,11 @@
             msg: Swap is enabled, please disable on host before proceeding
           when:
             - _swapon.stdout
+
+    - name: upgrade pip
+      ansible.builtin.command: pip install --upgrade pip
+      changed_when: false
+
   tasks:
     - name: Install common packages
       ansible.builtin.package:

requirements.txt

@@ -6,3 +6,4 @@ molecule-plugins[docker]
 pytest < 8.0.0
 pytest-forked
 pytest-xdist
+requests < 2.31.0