Bump mako from 1.1.3 to 1.1.5

Bumps [mako](https://github.com/sqlalchemy/mako) from 1.1.3 to 1.1.5.
- [Release notes](https://github.com/sqlalchemy/mako/releases)
- [Changelog](https://github.com/sqlalchemy/mako/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/mako/commits)

---
updated-dependencies:
- dependency-name: mako
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

README.md

@@ -1,5 +1,3 @@
-## This project is no longer maintained. Visit [this repo](https://github.com/TeamPiped/Piped) for an alternative.
-
 <p align="center"> <img width="700" src="app/static/img/banner.png"> </img></p> 
 <p align="center">
    <a href="https://www.gnu.org/licenses/gpl-3.0"><img alt="License: GPL v3" src="https://img.shields.io/badge/License-AGPLv3-blue.svg"></img></a>

requirements.txt

@@ -18,7 +18,7 @@ idna==2.10
 itsdangerous==1.1.0
 Jinja2==2.11.3
 lxml>=4.6.3
-Mako==1.1.3
+Mako==1.1.5
 MarkupSafe==1.1.1
 numerize==0.12
 packaging==20.8