Update thiserror requirement from 1.0.56 to 2.0.11

[dependabot[bot]]

Updates the requirements on thiserror to permit the latest version.

Release notes

Sourced from thiserror's releases.

2.0.11

• Add feature gate to tests that use std (#409, #410, thanks @​Maytha8)

Commits

• 0f532e3 Release 2.0.11
• 3d15543 Merge pull request #410 from dtolnay/testnostd
• 1a226ae Disable two more integration tests in no-std mode
• 8b5f2d7 Fix unused import in test when built without std
• eecd247 Add CI step to test with "std" disabled
• 8f2a76b Merge pull request #409 from Maytha8/std-tests
• 693a6cd Add feature gate to tests that use std
• 349f696 Release 2.0.10
• 6cd87bc Merge pull request #408 from dtolnay/assoctype
• 6b3e1e5 Generate trait bounds on associated types
• Additional commits viewable in compare view

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