chore: bump AngleSharp

[dependabot]

Updated AngleSharp from 1.7.2 to 1.8.1.

Release notes

Sourced from AngleSharp's releases.

1.8.1

Released on Thursday, September 10 2026

What's Changed

• Updated DoFocus and DoBlur to apply to form elements
• Improved explicit form ownership to take precedence over ancestor forms for connected controls (#​1323) @​sebastienros
• Fixed HTML hyperlink pseudo-classes omitting empty href and matching link elements (#​1337) @​sebastienros
• Fixed HTML-namespace element creation losing local-name case (#​1327) @​sebastienros
• Fixed :enabled incorrectly matching HTML links with nonempty href (#​1324) @​sebastienros
• Fixed changing focus of elements
• Released 1.8.1 by @​FlorianRappl in Release 1.8.1 AngleSharp/AngleSharp#1343

New Contributors

• @​sebastienros made their first contribution in Fix HTML hyperlink pseudo-class classification AngleSharp/AngleSharp#1338

Full Changelog: AngleSharp/AngleSharp@v1.8.0...v1.8.1

1.8.0

Released on Saturday, September 5 2026

What's Changed

• Improved AngleSharp's test website
• Fixed script data escaped state potentially not bouncing back correctly
• Added the DomSameObject annotation for the respective IDL members (#​1314) @​lahma
• Added the DomReturnType annotation for methods returning a different IDL type (#​1318)
• Released 1.8.0 by @​FlorianRappl in Release 1.8.0 AngleSharp/AngleSharp#1317

Full Changelog: AngleSharp/AngleSharp@v1.7.3...v1.8.0

1.7.3

Released on Thursday, September 3 2026

What's Changed

• Improved tracking of parse exceptions in the HtmlParser (#​1315) @​lahma
• Fixed tokenizer buffer overrun on encoding change (#​1290) @​jafin
• Fixed selector text dropping the nth-child of clause (#​1292) @​jafin
• Fixed selector text dropping the case-insensitive (#​1291) @​jafin
• Fixed selector specificity carrying between fields instead of saturating (#​1300) @​meziantou
• Fixed condition check for disposed state in ReturnToPool (#​1296) @​meziantou
• Fixed ArgumentOutOfRangeException CSS escapes (#​1299) @​meziantou
• Fixed whitespace around An+B CSS selector notations (#​1297)
• Fixed unsupported pseudo-classes matching everything (#​1295)
• Fixed DomException for invalid foreign attribute names such as xml:lang[ (#​1294)
• Fixed script data escaped state leaving escaped mode too early (#​1298)
• Fixed CurrentScript not indicating the currently executing script (#​1308) @​lahma
• Fixed returned missing attribute-properties to use empty string instead of null (#​1313) @​lahma
• Fixed removal of data-* attributes (#​1310) @​lahma
• Added missing DomName/DomAccessor annotations (#​1301) @​meziantou
• Added missing DomLiterals attribute to AdjacentPosition (#​1311) @​lahma
• Released 1.7.3 by @​FlorianRappl in Release 1.7.3 AngleSharp/AngleSharp#1302

Full Changelog: AngleSharp/AngleSharp@v1.7.2...v1.7.3

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