fix(utils): should not use __dirname directly

[JounQin]

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[changeset-bot]

🦋 Changeset detected

Latest commit: b2a498f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@pkgr/utils	Patch
@pkgr/rollup	Patch
@pkgr/webpack-angular	Patch
@pkgr/webpack	Patch

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[codecov]

Codecov Report

Merging #270 (b2a498f) into master (ead88d4) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #270   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines           45        45           
  Branches        21        21           
=========================================
  Hits            45        45           

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