chore(dev-deps): bump @types/nodegit from 0.28.5 to 0.28.6

Bumps [@types/nodegit](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/nodegit) from 0.28.5 to 0.28.6.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/nodegit)

---
updated-dependencies:
- dependency-name: "@types/nodegit"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

package.json

@@ -48,7 +48,7 @@
     "@salesforce/ts-sinon": "^1.4.17",
     "@types/fs-extra": "^9.0.13",
     "@types/node-fetch": "^3.0.3",
-    "@types/nodegit": "^0.28.5",
+    "@types/nodegit": "^0.28.6",
     "@types/semver": "^7.5.3",
     "@types/sha256-file": "^1.0.1",
     "@types/sinon-chai": "^3.2.10",

yarn.lock

@@ -1596,10 +1596,10 @@
   resolved "https://registry.yarnpkg.com/@types/node/-/node-15.14.9.tgz#bc43c990c3c9be7281868bbc7b8fdd6e2b57adfa"
   integrity sha512-qjd88DrCxupx/kJD5yQgZdcYKZKSIGBVDIBE1/LTGcNm3d2Np/jxojkdePDdfnBHJc5W7vSMpbJ1aB7p/Py69A==
 
-"@types/nodegit@^0.28.5":
-  version "0.28.5"
-  resolved "https://registry.yarnpkg.com/@types/nodegit/-/nodegit-0.28.5.tgz#4cab5cda392249f2e16456cf527c4ee7aaffd6f5"
-  integrity sha512-oFDPz/WT8eGfVKVqiKzE59PBzLAYmjnc7f1yWHoesjPZNvMAulbcmPhilh08Se7tUqQ2/OgAERqorsHWS2SfZw==
+"@types/nodegit@^0.28.6":
+  version "0.28.6"
+  resolved "https://registry.yarnpkg.com/@types/nodegit/-/nodegit-0.28.6.tgz#b5339ec63314c9a116a9e613945256c2495fe99c"
+  integrity sha512-CinqgchLHfMnvz2sxFhsIIuT+EcyXH/NViep04jiXgecaTDmEdnQGpckVYoSc0w4TYR94+g0MSxDVqx7fIG1KQ==
   dependencies:
     "@types/node" "*"