Backport: ci maintenance (#119)

[markuman]

backport #119

• incr python version to 3.9 for testing

• add changelog fragment

• rm

• change versions

[codecov[bot]]

Codecov Report

Merging #127 (01a13c7) into stable-1 (5dc8ce2) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##           stable-1     #127   +/-   ##
=========================================
  Coverage     73.06%   73.06%           
=========================================
  Files            10       10           
  Lines          1199     1199           
  Branches        199      193    -6     
=========================================
  Hits            876      876           
  Misses          246      246           
  Partials         77       77           

Impacted Files	Coverage Δ
plugins/modules/proxysql_query_rules.py	71.11% <ø> (ø)
...ugins/modules/proxysql_query_rules_fast_routing.py	71.08% <ø> (ø)

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