feat(git): pull in parallel

git/default.nix

@@ -32,6 +32,7 @@
 
         diff.ignoreSubmodules = "none";
 
+        fetch.parallel = 8;
         fetch.writeCommitGraph = true;
         fetch.recurseSubmodules = true;
 
@@ -59,6 +60,7 @@
 
         status.submoduleSummary = true;
 
+        submodule.fetchJobs = 8;
         submodule.recurse = true;
 
         worktree.guessRemote = true;