[Snyk] Security upgrade css-loader from 3.6.0 to 5.0.0

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • src/php/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	551/1000 Why? Recently disclosed, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-POSTCSS-1090595	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: css-loader

The new version differs by 76 commits.

• 1351e3a chore(release): 5.0.0
• 747d62b feat: allow named exports to have underscores in names (#1209)
• 7bfe85d chore(deps): update (#1208)
• b5c9379 feat: postcss@8 (#1204)
• 92fe103 docs: context is localIdentContext in README (#1202)
• e5a9272 chore(deps): update (#1203)
• 63b41be refactor: emoji deprecate
• 9f974be feat: reduce runtime
• d779eb1 feat: escape getLocalIdent by default (#1196)
• dd52931 feat: hide warning on no plugins (#1195)
• 52412f6 feat: improve error message
• 0f95841 feat: add fallback if custom getLocalIdent returns null (#1193)
• 2f1573f feat: auto enable icss modules
• df111b8 test: import with file protocol
• cfe669f refactor: remove icss option (#1189)
• 57eb505 chore(release): 4.3.0
• 3ddcc7b chore(deps): update deps (#1186)
• 88b8ddc fix: line breaks in `url` function
• 8b865fe test: source map (#1180)
• ec58a7c feat: the `importLoaders` can be `string` (#1178)
• df490c7 test: sass-loader next (#1177)
• 26a3062 chore(release): 4.2.2
• e42f046 refactor: improve sources handling in source maps (#1176)
• 4ce556a docs: fix type (#1174)

See the full diff

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