Update dependency aiosignal to v1.3.1

Author: renovate[bot]

requirements.txt

@@ -1,7 +1,7 @@
 aiodns==3.0.0
 aiofiles==0.8.0; python_version >= "3.6" and python_version < "4.0"
 aiohttp==3.8.6; python_version >= "3.6"
-aiosignal==1.2.0; python_version >= "3.6"
+aiosignal==1.3.1; python_version >= "3.6"
 async-timeout==4.0.2; python_version >= "3.6"
 asyncio==3.4.3
 attrs==21.4.0; python_version >= "3.6" and python_full_version < "3.0.0" or python_full_version >= "3.5.0" and python_version >= "3.6"