Bump dugite from 1.87.5 to 1.87.6

Bumps [dugite](https://github.com/desktop/dugite) from 1.87.5 to 1.87.6.
- [Release notes](https://github.com/desktop/dugite/releases)
- [Changelog](https://github.com/desktop/dugite/blob/master/docs/releases.md)
- [Commits](desktop/dugite@v1.87.5...v1.87.6)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -51,7 +51,7 @@
     "classnames": "2.2.6",
     "compare-sets": "1.0.1",
     "dompurify": "2.0.7",
-    "dugite": "1.87.5",
+    "dugite": "1.87.6",
     "event-kit": "2.5.3",
     "fs-extra": "4.0.3",
     "graphql": "14.5.8",