Fix typo.

.config/git/config

@@ -25,7 +25,7 @@
     shove = push --force-with-lease
     squash = !cd "${GIT_PREFIX:-$PWD}" && git commit --squash $(git last-commit)
     staash = stash push --all
-    staassh = stash push --all --include-untracked
+    staaash = stash push --all --include-untracked
     stat = status --short --branch
     tag-version = !git tag --annotate --force --message "v$(cat VERSION)" "v$(cat VERSION)"
     tracking = rev-parse --abbrev-ref --symbolic-full-name @{upstream}