Update CI config

[oalders]

• Bump versions of actions in GH test workflow
• Run CI on Perl 5.36 as well
• Build and do coverage tests on 5.36

[codecov-commenter]

Codecov Report

Merging #286 (3475e8b) into master (5d04a66) will decrease coverage by 0.27%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #286      +/-   ##
==========================================
- Coverage   79.39%   79.12%   -0.28%     
==========================================
  Files          92       92              
  Lines        3334     3329       -5     
  Branches      949      949              
==========================================
- Hits         2647     2634      -13     
- Misses        369      371       +2     
- Partials      318      324       +6     

Impacted Files	Coverage Δ
lib/PPI/Token/Prototype.pm	100.00% <ø> (+7.14%)	:arrow_up:
lib/PPI/Token/Quote/Literal.pm	100.00% <100.00%> (ø)
lib/PPI/Token/_QuoteEngine/Full.pm	91.13% <100.00%> (ø)
lib/PPI/Tokenizer.pm	77.35% <100.00%> (-0.16%)	:arrow_down:
lib/PPI/Token/Unknown.pm	91.41% <0.00%> (-2.53%)	:arrow_down:
lib/PPI/Token/Magic.pm	89.28% <0.00%> (-1.79%)	:arrow_down:
lib/PPI/Token/Whitespace.pm	91.01% <0.00%> (-1.13%)	:arrow_down:
lib/PPI/Lexer.pm	86.91% <0.00%> (-0.25%)	:arrow_down:

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