ci: add stable-2.20 to matrix (#755)

* ci: add stable-2.20 to matrix

* Ensure unit tests - Python compatibility

.github/workflows/ansible-test-plugins.yml

@@ -25,6 +25,7 @@ jobs:
           - stable-2.17
           - stable-2.18
           - stable-2.19
+          - stable-2.20
           - devel
     steps:
       # https://github.com/ansible-community/ansible-test-gh-action
@@ -47,6 +48,7 @@ jobs:
           - stable-2.17
           - stable-2.18
           - stable-2.19
+          - stable-2.20
           - devel
         db_engine_name:
           - mysql
@@ -245,6 +247,7 @@ jobs:
           - stable-2.17
           - stable-2.18
           - stable-2.19
+          - stable-2.20
           - devel
         python:
           - '3.8'
@@ -255,6 +258,9 @@ jobs:
           - python: '3.8'
             ansible: stable-2.17
 
+          - python: '3.8'
+            ansible: stable-2.20
+
           - python: '3.8'
             ansible: devel
 
@@ -264,6 +270,9 @@ jobs:
           - python: '3.9'
             ansible: stable-2.17
 
+          - python: '3.9'
+            ansible: stable-2.20
+
           - python: '3.9'
             ansible: devel
 

README.md

@@ -93,6 +93,7 @@ Here is the table for the support timeline:
 - stable-2.17
 - stable-2.18
 - stable-2.19
+- stable-2.20
 - current development version
 
 ### Python

tests/sanity/ignore-2.21.txt

@@ -0,0 +1,3 @@
+plugins/modules/mysql_db.py validate-modules:use-run-command-not-popen
+plugins/module_utils/mysql.py pylint:unused-import
+plugins/module_utils/version.py pylint:unused-import