[Security] Bump xterm from 3.3.0 to 4.8.1

[dependabot-preview]

Bumps xterm from 3.3.0 to 4.8.1. This update includes a security fix.

Vulnerabilities fixed

Sourced from The GitHub Security Advisory Database.

Low severity vulnerability that affects xterm A remote code execution vulnerability exists in Xterm.js when the component mishandles special characters, aka "Xterm Remote Code Execution Vulnerability." This affects xterm.js.

Affected versions: < 3.8.1

Release notes

Sourced from xterm's releases.

4.8.1

🐞 Bug fixes

• Fix console errors about passive handlers (#3005) via @Tyriar
• Fix renderer not showing any text (#3006) via @Tyriar

4.8.0

🐞 Bug fixes

• Always sync textarea with cursor (#2996) via @jeanp413
• Fix renderer pausing inadvertently in some cases (#2999) via @andrew-schlackman

📝 Documentation and internal improvements

• Update vulnerable dev dependencies (#2997) via @Tyriar

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🤝 Compatible addon versions

• xterm-addon-attach@0.6.0
• xterm-addon-fit@0.4.0
• xterm-addon-ligatures@0.3.0 (this addon may have issues)
• xterm-addon-search@0.7.0
• xterm-addon-serialize@0.3.0
• xterm-addon-unicode11@0.2.0
• xterm-addon-web-links@0.4.0
• xterm-addon-webgl@0.8.0

4.7.0

🐞 Bug fixes

• Prevent warning in some browsers by explicitly indicating whether event handlers are passive (#2931) via @DavidSichau
• Fix an exception when disposing Terminal more than once (#2934) via @Tyriar
• Support opaque selection colors in dom and canvas renderers (#2952) via @Puneethnaik
• Fix an exception when disposing Terminal if a framework like React has already unmounted the element (#2962) via @JoshuaKGoldberg
• Fix getSelection sometimes not working for single character selections (#2973) via @daniel-j-davis

📝 Documentation and internal improvements

• Updated typescript (#2940, #2967) via @dependabot-preview
• Fix several lint issues with help from the putout linter (#2953) via @coderaiser
• Update Dockerfile's node version to v12 (#2965) via @JoshuaKGoldberg
• Add helper for removing elements from their parents (#2966) via @Tyriar
• Fix ligatures addon install breaking the build (#2971) via @Tyriar

🎉 New real-world use cases

• DockerStacks (#2942) via @sfx101
• Codecademy (#2950) via @JoshuaKGoldberg

Commits

• eeb095b Merge pull request #3007 from xtermjs/Tyriar-patch-1
• 266a289 Update package.json
• 3c1d6b5 Merge pull request #3005 from Tyriar/fix_passive
• bd08862 Merge pull request #3006 from Tyriar/revert
• 70e0c03 Revert "fix renderer pausing inadvertently in some cases"
• 454cf1f Indicate non-passive scroll events for viewport
• 6d1029b Merge pull request #3002 from xtermjs/Tyriar-patch-1
• f13f8fb v4.8.0
• 2447064 Merge pull request #2996 from jeanp413/fix-sync-textarea
• 85a2589 Merge pull request #2999 from andrew-schlackman/fix-renderer-pause
• Additional commits viewable in compare view

Maintainer changes

This version was pushed to npm by tyriar, a new releaser for xterm since your current version.

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[dependabot-preview]

Superseded by #31.