Fix apply on Ansible 2.9 (#135)

* Fix apply on Ansible 2.9

For some reason the apply function can't be correctly imported in
Ansible 2.9. This just renames it to get it to import. I've also added
molecule testing on multiple Ansible versions.

* Add changelog fragment

.github/workflows/ci.yml

@@ -75,6 +75,7 @@ jobs:
     strategy:
       matrix:
         python_version: ['3.7']
+        ansible_version: ['==2.9.*', '==2.10.*', '']
     steps:
       - name: Check out code
         uses: actions/checkout@v2
@@ -92,7 +93,7 @@ jobs:
       # The 3.3.0 release of molecule introduced a breaking change. See
       # https://github.com/ansible-community/molecule/issues/3083
       - name: Install molecule and kubernetes dependencies
-        run: pip install ansible "molecule<3.3.0" yamllint kubernetes flake8 jsonpatch
+        run: pip install ansible${{ matrix.ansible_version }} "molecule<3.3.0" yamllint kubernetes flake8 jsonpatch
 
       # The latest release doesn't work with Molecule currently.
       # See: https://github.com/ansible-community/molecule/issues/2757