Consistently use $ for inner class name separator

[LunNova]

No description provided.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@d6e164a). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master      #11   +/-   ##
=========================================
  Coverage          ?   48.37%           
=========================================
  Files             ?       51           
  Lines             ?     2673           
  Branches          ?      454           
=========================================
  Hits              ?     1293           
  Misses            ?     1104           
  Partials          ?      276

Impacted Files	Coverage Δ
...ormer/internal/javaparser/CompilationUnitInfo.java	90% <100%> (ø)
...ct/javatransformer/internal/ResolutionContext.java	59.17% <100%> (ø)

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