css-minimizer-webpack-plugin: regression: 4.2.0 causes "Call retries were exceeded" with a fresh, blank Docusaurus project

Bug report

Actual Behavior

Upgrading to 4.2.0 causes the Call retries were exceeded with a fresh docusaurus project when npm run build is ran.

4.1.0 does not exhibit this issue.

Expected Behavior

Css should minimize without issue.

How Do We Reproduce?

npx create-docusaurus@latest my-website classic
cd my-website
npm run build

Observe the minimizer crash:

jamil@mbair:~/tmp/my-website % npm run build

> my-website@0.0.0 build
> docusaurus build

[INFO] [en] Creating an optimized production build...

✖ Client
  Compiled with some errors in 10.52s

● Server █████████████████████████ building (65%) 1/1 entries 1944/1944 dependencies 625/625 modules 0 active




assets/css/styles.45f640f6.css from Css Minimizer plugin
Error: Call retries were exceeded
assets/css/styles.8ef29f8a.css from Css Minimizer plugin
Error: Call retries were exceeded
[ERROR] Client bundle compiled with errors therefore further build is impossible.

Please paste the results of npx webpack-cli info here, and mention other relevant information

webpack-cli not relevant here