Bump arrow from 1.0.2 to 1.0.3

Bumps [arrow](https://github.com/arrow-py/arrow) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/arrow-py/arrow/releases)
- [Changelog](https://github.com/arrow-py/arrow/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/arrow-py/arrow/compare/1.0.2...1.0.3)

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

requirements.txt

@@ -7,7 +7,7 @@ cryptography==3.4.6
 aiohttp==3.7.4
 SQLAlchemy==1.3.23
 python-telegram-bot==13.3
-arrow==1.0.2
+arrow==1.0.3
 cachetools==4.2.1
 requests==2.25.1
 urllib3==1.26.3