build(deps): bump langium from 3.5.0 to 4.2.0

[dependabot]

Bumps langium from 3.5.0 to 4.2.0.

Release notes

Sourced from langium's releases.

v4.1.0

Changes: https://github.com/eclipse-langium/langium/blob/main/packages/langium/CHANGELOG.md#v410-sep-2025

v4.0.0

Changes: https://github.com/eclipse-langium/langium/blob/main/packages/langium/CHANGELOG.md#v400-jul-2025

Changelog

Sourced from langium's changelog.

v4.2.0 (Jan. 2026)

• Improve code completion for common prefixes (#2087).
• Improve code completion for case insensitive languages (#2102).
• Move initial document loading into an overridable method (#2083).
• Update Chevrotain to 11.1.0 (#2089).
• Fix minor issues in the generator API (#2091, #2090).
• Move more document reset logic into the DocumentBuilder, deprecate LangiumDocuments#invalidateDocument (#2071).

v4.1.3 (Dec. 2025)

• Fix return type of infix rules (#2077).
• Fix assignments of union types (#2076).

v4.1.2 (Dec. 2025)

• Adjusted UriTrie internals (#2069).

v4.1.1 (Nov. 2025)

• Improved error handling in the DefaultWorkspaceManager (#2047).
• Fixed a rendering issue in the hover provider (#2067).
• Improve range display for definition requests (#2063).

v4.1.0 (Sep. 2025)

• Add a profiler service for parsing, linking and validation (#1993).
• Enable configuration of document state settings in the startLanguageServer function (#2019).
• Improvements to the responsiveness of the DocumentBuilder#waitUntil method when providing a document URI (#2024).
• Update the CrossReferencesOfAstNodeType to include multi-references (#2036).
• Add a way to prevent validation of specific AST nodes to improve performance (#2035).

v4.0.3 (Sep. 2025)

Rollback of v4.0.2.

v4.0.2 (Sep. 2025)

Attempted to fix a bug, which was later identified as a TypeScript compiler issue

v4.0.1 (Sep. 2025)

• Fixes multiple issues related to the stability of infix rules (#2011, #2023).
• Fixes an issue related to the trace parameter of copyAstNode (#1995).
• Extends the MultiMap constructor to accept an Iterable (#2020).
• Removed a problematic performance optimization in the resetToState method (#2022).

v4.0.0 (Jul. 2025)

Multi-Target References

... (truncated)

Commits

• See full diff in compare view

Maintainer changes

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