Bump isomorphic-git from 1.8.0 to 1.8.1

Bumps [isomorphic-git](https://github.com/isomorphic-git/isomorphic-git) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/isomorphic-git/isomorphic-git/releases)
- [Changelog](https://github.com/isomorphic-git/isomorphic-git/blob/main/docs/in-the-news.md)
- [Commits](isomorphic-git/isomorphic-git@v1.8.0...v1.8.1)

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

Author: dependabot[bot]

yarn.lock

@@ -1337,9 +1337,9 @@ isexe@^2.0.0:
   integrity sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=
 
 isomorphic-git@^1.8.0:
-  version "1.8.0"
-  resolved "https://registry.yarnpkg.com/isomorphic-git/-/isomorphic-git-1.8.0.tgz#50440650a64706a321cbea1af955c1cf1110b238"
-  integrity sha512-TWJvQh+++eFrEG0IFS/jLhMwsBoCOX1/Dsw9q8no59Mp1K0jEjSHXFWv2P04PwkxcIpePkXVBI5YFcFT2nkuQg==
+  version "1.8.1"
+  resolved "https://registry.yarnpkg.com/isomorphic-git/-/isomorphic-git-1.8.1.tgz#352ff9a7e0deee0fe34e1618e4d811c3ebeda6d5"
+  integrity sha512-4xs3yzHrEGAWdlWbO/iAc7SbIvWopSydPe1gUfwgpzGeU+ofs1JbvuOzCBIkHec0r3pWZv/u8NL808Rq7xTa7Q==
   dependencies:
     async-lock "^1.1.0"
     clean-git-ref "^2.0.1"