fix: use cwd option when resolving git repo root (#1075)

Co-authored-by: Lucas Nicora <lucas.nicora@netcentric.biz>

lib/resolveGitRepo.js

@@ -54,7 +54,7 @@ export const resolveGitRepo = async (cwd = process.cwd()) => {
 
     // read the path of the current directory relative to the top-level directory
     // don't read the toplevel directly, it will lead to an posix conform path on non posix systems (cygwin)
-    const gitRel = normalize(await execGit(['rev-parse', '--show-prefix']))
+    const gitRel = normalize(await execGit(['rev-parse', '--show-prefix'], { cwd }))
     const gitDir = determineGitDir(normalize(cwd), gitRel)
     const gitConfigDir = normalize(await resolveGitConfigDir(gitDir))