Remove filters factory, introduce docs translation (#978)

* Rewrite filters

* Update README.rst

* Fixed tests

* Small optimization of the Text filter (TY to @bomzheg)

* Remove dataclass slots argument in due to the only Python 3.10 has an slots argument

* Fixed mypy

* Update tests

* Disable Python 3.11

* Fixed #1013: Empty mention should be None instead of empty string.

* Added #990 to the changelog

* Added #942 to the changelog

* Fixed coverage

* Update poetry and dependencies

* Fixed mypy

* Remove deprecated code

* Added more tests, update pyproject.toml

* Partial update docs

* Added initial Docs translation files

* Added more changes

* Added log message when connection is established in polling process

* Fixed action

* Disable lint for PyPy

* Added changelog for docs translation

docs/locale/en/LC_MESSAGES/api/session/index.po

@@ -0,0 +1,26 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) 2022, aiogram Team
+# This file is distributed under the same license as the aiogram package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2022.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: aiogram \n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2022-10-01 22:51+0300\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.10.3\n"
+
+#: ../../api/session/index.rst:3
+msgid "Client session"
+msgstr ""
+
+#: ../../api/session/index.rst:5
+msgid "Client sessions is used for interacting with API server."
+msgstr ""