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[Security] Bump terser from 5.10.0 to 5.14.2

Dependabot requested to merge dependabot-npm_and_yarn-terser-5.14.2 into master

Bumps terser from 5.10.0 to 5.14.2. This update includes a security fix.

Vulnerabilities fixed

Terser insecure use of regular expressions before v4.8.1 and v5.14.2 leads to ReDoS The package terser before 4.8.1, from 5.0.0 and before 5.14.2 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure usage of regular expressions.

Patched versions: 5.14.2 Affected versions: >= 5.0.0, < 5.14.2

Changelog

Sourced from terser's changelog.

v5.14.2

  • Security fix for RegExps that should not be evaluated (regexp DDOS)
  • Source maps improvements (#1211)
  • Performance improvements in long property access evaluation (#1213)

v5.14.1

  • keep_numbers option added to TypeScript defs (#1208)
  • Fixed parsing of nested template strings (#1204)

v5.14.0

  • Switched to @​jridgewell/source-map for sourcemap generation (#1190, #1181)
  • Fixed source maps with non-terminated segments (#1106)
  • Enabled typescript types to be imported from the package (#1194)
  • Extra DOM props have been added (#1191)
  • Delete the AST while generating code, as a means to save RAM

v5.13.1

  • Removed self-assignments (varname=varname) (closes #1081)
  • Separated inlining code (for inlining things into references, or removing IIFEs)
  • Allow multiple identifiers with the same name in var destructuring (eg var { a, a } = x) (#1176)

v5.13.0

  • All calls to eval() were removed (#1171, #1184)
  • source-map was updated to 0.8.0-beta.0 (#1164)
  • NavigatorUAData was added to domprops to avoid property mangling (#1166)

v5.12.1

  • Fixed an issue with function definitions inside blocks (#1155)
  • Fixed parens of new in some situations (closes #1159)

v5.12.0

  • TERSER_DEBUG_DIR environment variable
  • @​copyright comments are now preserved with the comments="some" option (#1153)

v5.11.0

  • Unicode code point escapes (\u{abcde}) are not emitted inside RegExp literals anymore (#1147)
  • acorn is now a regular dependency
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