chore(deps): bump @xterm/xterm from 5.5.0 to 6.0.0 in /frontend

[dependabot]

Bumps @xterm/xterm from 5.5.0 to 6.0.0.

Release notes

Sourced from @​xterm/xterm's releases.

6.0.0

Features

• #5453 Add synchronized output support (DEC mode 2026)
• #5436 add range to IHTMLSerializeOptions
• #5334 Support shadow dom in webgl renderer
• #5285 Support detailed ligatures and variants
• #5251 progress-addon
• #5234 Add reflowCursorLine option
• #5224 putty-style ED2 sequence handling as terminal option
• #5107 Add top/bottom border overview ruler options
  • ⚠️ This is a breaking change, ITerminalOptions.overviewRulerWidth is now a property of ITerminalOptions.overviewRuler
• #5096 Integrate base/ platform from VS Code and adopt scroll bar
  • ⚠️ This is a potential breaking change, the viewport/scroll bar works very differently now
• #5092 Add support for ESM via esbuild
• #5034 Expose onWriteParsed on API
• #4220 Add support to ANSI OSC52

Fixes

• #5445 Prefer performance.now() over Date.now()
• #5437 Prevent entire page from scrolling when scrolling in alt buffer with mouse event off
• #5423 Clear selection on vertical resize
• #5411 Fix teleport when exiting out of alt buffer. v2
• #5391 Bring back partial wheel tracking
• #5390 Fix scrollbar teleport after exiting alt buffer
• #5386 fix: ensure that currentRow can not go out of the range
• #5385 Fix terminal find when wrapped
• #5355 Add note about reverse tabnapping
• #5346 Remove alt -> ctrl+arrow hack in favor of embedder-specific solutions
  • ⚠️ This is a breaking change, you will need to add keybindings in your code if you want alt to map to ctrl still
• #5337 Fix finding terms across wrapped lines
• #5335 webgl: Ignore alpha channel when allowTransparency is false
• #5328 Refresh viewport after clear or ED
• #5305 Fix issue where listeners remain after WebglRenderer throws
• #5291 Make ProgressAddon.onChange non undefined
• #5282 Fixed CapsLock triggering input twice in MacOS.
• #5279 Fixes: #5270 regex case-sensitive should behave like monaco
• #5278 Handle glyph widths up to the maximum device texture size
• #5277 Disable ligatures when cursor is in range
• #5276 Fix selection rendering on ligatures in both renderers
• #5265 Revert to cursor options after DECSCUSR 0
• #5263 Make textarea readonly when disableStdin is set
• #5262 Blend cursorAccent with background too
• #5260 Blend cursor with background to support alpha in webgl
• #5253 bug: properly render the terminal when open() is called again
• #5249 Fix click event bug caused by DomRenderer replaceChildren behavior
• #5209 Ensure last ligature cell is updated
• #5208 Set liga font feature when ligatures is enabled
• #5182 fix #5181

... (truncated)

Commits

• f447274 Merge pull request #5463 from Tyriar/tyriar/v6
• f68d1e5 Skip sync output tests for now
• 30691e8 v6.0.0, bump addon versions, publish unicode graphemes
• 5fa6325 Merge pull request #5462 from Tyriar/tyriar/deprecated
• 3571d1f Remove windowsMode in favor of windowsPty
• ebc0d83 Remove deprecated/unused fastScrollModifier
• d1c50c1 Merge pull request #5461 from Tyriar/tyriar/glob
• 92b43bd Remove only
• a9d3ca1 Merge pull request #5449 from iSuslov/exports/esm-headless-node
• cb4d1ef Merge pull request #5453 from chrislloyd/feat/synchronized-output
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