Add Ruby 3.2 support

[pschrammel]

in 3.2 File exists doesn't work any more

[codecov]

Codecov Report

Base: 0.00% // Head: 0.00% // No change to project coverage 👍

Coverage data is based on head (142b41b) compared to base (fbab934).
Patch coverage: 0.00% of modified lines in pull request are covered.

❗ Current head 142b41b differs from pull request most recent head 97a4b01. Consider uploading reports for the commit 97a4b01 to get more accurate results

Additional details and impacted files

@@          Coverage Diff           @@
##           master    #340   +/-   ##
======================================
  Coverage    0.00%   0.00%           
======================================
  Files          25      25           
  Lines        1594    1594           
======================================
  Misses       1594    1594           

Impacted Files	Coverage Δ
lib/hiera/backend/eyaml/subcommands/edit.rb	0.00% <0.00%> (ø)
lib/hiera/backend/eyaml_backend.rb	0.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.

[bastelfreak]

thanks for the work!