build(deps): bump swagger from `154b11d` to `c1a9b73`

[dependabot[bot]]

Bumps swagger from 154b11d to c1a9b73.

Commits

• c1a9b73 [suppressions] Refactor to improve testing (#29162)
• 4b6b884 [typespec-validation] Convert from mocha to vitest (#29160)
• 7e1bd0c [suppressions] Use "vitest" verbose reporter (#29159)
• d9d3337 [devopsinfrastructure] Update tspconfig.yaml (#29079)
• e1b8250 [suppressions] Add property "paths" alongside "path" in input YAML (#29152)
• cf4d783 [suppressions] Add code coverage (#29156)
• 51e9bdf [eng/tools] Format package.json with two spaces for brevity (#29151)
• 1ffaacb [workflows] Rename to "~Templates" to sort last (#29150)
• ac3ee91 Rename "eng/tools - Test" workflow (#29149)
• 34f6833 Convert pipeline "TypeSpec Validation - CI" to GitHub Action (#29147)
• Additional commits viewable in compare view

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[dependabot[bot]]

Superseded by #399.