Update dependency MarkupSafe to v2.1.1

This MR contains the following updates:

Package	Update	Change
MarkupSafe (changelog)	patch	==2.1.0 -> ==2.1.1

---

Configuration

Schedule: At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.

requirements.txt

@@ -15,7 +15,7 @@ install==1.3.5
 itsdangerous==2.1.1
 jsonschema==4.4.0
 Jinja2==3.0.3
-MarkupSafe==2.1.0
+MarkupSafe==2.1.1
 mypy-extensions==0.4.3
 oauthlib==3.2.0
 pathspec==0.9.0