Update version from 17.13 to 18.7

[AArnott]

No description provided.

[Copilot]

Pull request overview

Updates the repository’s Nerdbank.GitVersioning configuration to bump the declared package version, aligning produced build/package versions with the new release line.

Changes:

• Update version.json base version from 17.13 to 18.7.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.88%. Comparing base (b88d1c1) to head (3fb93d0).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #359   +/-   ##
=======================================
  Coverage   77.88%   77.88%           
=======================================
  Files          14       14           
  Lines         859      859           
  Branches      224      224           
=======================================
  Hits          669      669           
  Misses        126      126           
  Partials       64       64           

Flag	Coverage Δ
Linux	79.18% <ø> (ø)
Windows	77.88% <ø> (ø)

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