fix: update --output-path link

[snitin315]

What kind of change does this PR introduce?
fix link

Did you add tests for your changes?
NA
If relevant, did you update the documentation?
NA
Summary

update ---output-path link.

Does this PR introduce a breaking change?
no

Other information
no

[codecov]

Codecov Report

Merging #2058 (7869c6f) into master (3feaae6) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2058   +/-   ##
=======================================
  Coverage   68.31%   68.31%           
=======================================
  Files          77       77           
  Lines        2408     2408           
  Branches      496      496           
=======================================
  Hits         1645     1645           
  Misses        763      763           

Impacted Files	Coverage Δ
packages/webpack-cli/lib/utils/cli-flags.js	100.00% <ø> (ø)

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[rishabh3112]

Look up for more of these link changes (if any) and let's fix them in this PR itself.
If not, feel free to merge PR.

[snitin315]

Just checked rest links look good.