Compile compiler plugin against kotlin-compiler-embeddable

[3flex]

Partially reverts #5765

Fixes #6007

[github-actions]

	Warnings
⚠️	It looks like this PR contains functional changes without a corresponding test.

Generated by 🚫 dangerJS against aa0f01c

[codecov]

Codecov Report

Merging #6012 (aa0f01c) into main (bd44c2d) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##               main    #6012   +/-   ##
=========================================
  Coverage     84.66%   84.66%           
  Complexity     3840     3840           
=========================================
  Files           549      549           
  Lines         13071    13071           
  Branches       2305     2305           
=========================================
  Hits          11066    11066           
  Misses          868      868           
  Partials       1137     1137           

Impacted Files	Coverage Δ
.../detekt/compiler/plugin/DetektAnalysisExtension.kt	0.00% <ø> (ø)

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[cortinico]

@3flex thanks for the fix. Can you clarify why this was happening?

[3flex]

I believe compiling against the standard compiler plugin meant the signature of analysisCompleted in DetektAnalysisExtension was incorrect, so it wasn't being called by the compiler when running under Gradle (since KGP under Gradle uses the embeddable compiler).