Bump sign from 0.9.1-beta.24170.3 to 0.9.1-beta.24312.3 (#2152)

Bumps [sign](https://github.com/dotnet/sign) from 0.9.1-beta.24170.3 to 0.9.1-beta.24312.3.
- [Release notes](https://github.com/dotnet/sign/releases)
- [Commits](https://github.com/dotnet/sign/commits)

---
updated-dependencies:
- dependency-name: sign
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.config/dotnet-tools.json

@@ -33,10 +33,10 @@
       ]
     },
     "sign": {
-      "version": "0.9.1-beta.24170.3",
+      "version": "0.9.1-beta.24312.3",
       "commands": [
         "sign"
       ]
     }
   }
-}
+}