fix(addon-doc): pin "ngx-highlightjs" peer dependency version

[hakimio]

Fixes #10106

[lumberjack-bot]

Tests completed successfully ✅

Good job 🔥

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.84%. Comparing base (ef907c4) to head (c21dadb).

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #10170   +/-   ##
=======================================
  Coverage   65.84%   65.84%           
=======================================
  Files        1233     1233           
  Lines       16092    16092           
  Branches     2338     2339    +1     
=======================================
  Hits        10595    10595           
+ Misses       5266     5233   -33     
- Partials      231      264   +33     

Flag	Coverage Δ
summary	65.84% <ø> (ø)

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[bundlemon]

BundleMon

Unchanged files (5)

Status	Path	Size	Limits
✅	demo/browser/main.(hash).js	308.3KB	+10%
✅	demo/browser/vendor.(hash).js	260.27KB	+10%
✅	demo/browser/runtime.(hash).js	44.94KB	+10%
✅	demo/browser/styles.(hash).css	20.27KB	+10%
✅	demo/browser/polyfills.(hash).js	11.18KB	+10%

No change in files bundle size

Unchanged groups (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	7.62MB	-

Final result: ✅

View report in BundleMon website ➡️

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