Fix typo of "File file" for encoding configuration

[jhult]

No description provided.

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #373 (31ea865) into master (813298b) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #373   +/-   ##
=========================================
  Coverage     83.46%   83.46%           
  Complexity       81       81           
=========================================
  Files            16       16           
  Lines           514      514           
  Branches         72       72           
=========================================
  Hits            429      429           
  Misses           39       39           
  Partials         46       46           

Impacted Files	Coverage Δ	Complexity Δ
...ithub/gantsign/maven/plugin/ktlint/KtlintReport.kt	92.50% <ø> (ø)	9.00 <0.00> (ø)

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[freemanjp]

@jhult thanks for the PR.