Bump xterm from 5.1.0 to 5.2.1

[dependabot[bot]]

Bumps xterm from 5.1.0 to 5.2.1.

Release notes

Sourced from xterm's releases.

5.2.1

🐞 Bug fixes

• Fix NPEs on buffer line and windowsPty option (#4551) via @​Tyriar

5.2.0

🚀 Features

• Support for the overline attribute SGR 53/55 (#4526, #4532) via @​Tyriar

📦 API

• Improved Windows workarounds with the new windowsPty option (#4539) via @​Tyriar

  const term = new Terminal({
    windowsPty: {
      backend: 'conpty',
      buildNumber: 19000
    }
  });
  

🐞 Bug fixes

• Fix performance issue related to hovering links (#4341) via @​Tyriar
• Fix exception by validating rows are correct when rendering (#4346) via @​Tyriar
• Improve rendering of dotted underline (#4350) via @​Tyriar
• Invalidate links after resizing (#4358) via @​Tyriar
• Fix texture atlas exception thrown when changing options (#4390) via @​Tyriar
• Show hollow cursor when unfocused, regardless of cursor type (#4443) via @​tisilent
• Fix out of sync link underlines after resizing on Windows (#4458) via @​Tyriar
• Fix a lifecycle issue with decorations (#4465) via @​Tyriar
• Rerender in the DOM renderer after options change (#4475) via @​kelvinhammond
• Fix DECRQM reports and add DECBKM (#4478) via @​jerch
• Fix links not working when using a screen reader (#4491) via @​jerch
• Ensure decorations in the top layer render on top of decorations in the bottom layer (#4516) via @​jeanp413
• Avoid triggering a reflow while rendering search decorations (#4521) via @​jeanp413
• Don't apply dim to background color (#4525) via @​Tyriar
• Fix exception and performance issue when rendering link underlines (#4546) via @​jerch

📝 Documentation and internal improvements

• Remove unused buffer code (#4335) via @​jerch
• Explore a different accessibility view (#4340, #4375, #4376, #4377, #4381, #4382, #4383, #4389, #4395, #4398, #4400, #4402, #4406, #4413, #4427, #4536) via @​meganrogge, @​Tyriar
• Update CI containers to Ubuntu 20.04 (#4347) via @​silamon
• Update CI containers to use Node 18 (#4542) via @​silamon 4542
• Remove unused imports (#4361) via @​Eugeny
• Replace dom helper with HTMLElement.remove() (#4364) via @​Tyriar

... (truncated)

Commits

• ac923e5 Merge pull request #4553 from Tyriar/v5_2_1
• e08e560 v5.2.1
• 2ac2eea Merge pull request #4551 from Tyriar/npes
• ffadc0b Fix NPEs on buffer line and windowsPty option
• cc1089e Merge pull request #4549 from Tyriar/r5_2_0
• 47c21df v5.2.0
• 380e680 Merge pull request #4539 from Tyriar/tyriar/windowsPty
• 9f42483 Merge pull request #4546 from jerch/fix_4545
• 90ccc81 more verbose comments to get the idea of the code
• 8de7bd5 rename lneX to maxY
• Additional commits viewable in compare view

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