chore(deps): update plugin com.diffplug.spotless to v6.7.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.diffplug.spotless	6.6.1 -> 6.7.2

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Configuration

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[codecov]

Codecov Report

Merging #93 (e0c1e9e) into master (8cf68f7) will not change coverage.
The diff coverage is 63.63%.

@@           Coverage Diff           @@
##           master      #93   +/-   ##
=======================================
  Coverage   81.50%   81.50%           
=======================================
  Files          23       23           
  Lines         400      400           
  Branches       64       64           
=======================================
  Hits          326      326           
  Misses         54       54           
  Partials       20       20           

Impacted Files	Coverage Δ
...c/commonMain/kotlin/com/hoc081098/flowext/eager.kt	83.33% <0.00%> (ø)
...ommonMain/kotlin/com/hoc081098/flowext/interval.kt	37.50% <ø> (ø)
...c/commonMain/kotlin/com/hoc081098/flowext/timer.kt	100.00% <ø> (ø)
...ain/kotlin/com/hoc081098/flowext/withLatestFrom.kt	100.00% <ø> (ø)
...om/hoc081098/flowext/retryWhenWithDelayStrategy.kt	44.82% <33.33%> (ø)
...ommonMain/kotlin/com/hoc081098/flowext/throttle.kt	83.63% <50.00%> (ø)
.../commonMain/kotlin/com/hoc081098/flowext/concat.kt	100.00% <100.00%> (ø)

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