Ignore TypeScript major bumps in Dependabot

[adeelraza]

Adds a Dependabot ignore rule so it stops proposing TypeScript major upgrades.

Why

TypeScript 7 is the native compiler rewrite. tsup's bundled rollup-plugin-dts@6.1.1 targets the TS 5.x compiler API and cannot emit the package's .d.ts under TS 7 — the build throws:

TypeError: Cannot read properties of undefined (reading 'useCaseSensitiveFileNames')

Since the published package is its type declarations, that's a hard blocker. Verified locally: under TS 7, typecheck and tests pass but npm run build fails at the DTS step.

This bump was also grouped into the dev-dependencies PR (#503) and turned the whole group red, blocking otherwise-safe minor/patch updates from landing.

Change

ignore:
  - dependency-name: typescript
    update-types: ['version-update:semver-major']

Scoped to major only — TypeScript minor/patch within the current major still flow normally. Lift this once tsup / rollup-plugin-dts support TS 7.

Follow-up (not in this PR)

• Close Bump the dev-dependencies group across 1 directory with 7 updates #503 (can't go green while TS 7 is in the group); Dependabot will regenerate a green group on its next run.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.87%. Comparing base (beef7c7) to head (c3b8255).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #512   +/-   ##
=======================================
  Coverage   94.87%   94.87%           
=======================================
  Files           2        2           
  Lines          78       78           
  Branches       20       20           
=======================================
  Hits           74       74           
  Misses          1        1           
  Partials        3        3           

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