feat: display used config path when logging level=log

[anshumanv]

What kind of change does this PR introduce?

feat

Did you add tests for your changes?
yes

If relevant, did you update the documentation?
NA

Summary

• Displays the used config when infra logging level is log, helpful to know which config is in use when there are multiple

Does this PR introduce a breaking change?
No

Other information

[alexander-akait]

/cc @webpack/cli-team

[codecov]

Codecov Report

Merging #2431 (6cd8ac5) into master (f5c9b6b) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2431      +/-   ##
==========================================
+ Coverage   71.75%   71.86%   +0.10%     
==========================================
  Files          46       46              
  Lines        2174     2182       +8     
  Branches      573      581       +8     
==========================================
+ Hits         1560     1568       +8     
  Misses        614      614              

Impacted Files	Coverage Δ
packages/webpack-cli/lib/webpack-cli.js	91.92% <ø> (ø)
packages/webpack-cli/lib/plugins/CLIPlugin.js	100.00% <100.00%> (ø)

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[alexander-akait]

Again problems with cache, we should be careful when setup cache for CI, latest commits for improve it break CI for webpack-cli and webpack-dev-server