Dev 3.x i18n & improvements (#696)

* Added base code and make code improvements
* Auto-exclude coverage for `if TYPE_CHECKING:`
* Fixed current coverage
* Cover I18n module
* Update pipeline
* Fixed annotations
* Added docs
* Move exceptions
* Added tests for KeyboardBuilder and initial docs
* Remove help generator (removed from sources tree, requires rewrite)
* Added patch-notes #698, #699, #700, #701, #702, #703

.github/workflows/tests.yml

@@ -12,7 +12,6 @@ jobs:
   build:
     strategy:
       max-parallel: 9
-      fail-fast: true
       matrix:
         os:
           - ubuntu-latest
@@ -38,10 +37,12 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install and configure Poetry
-        uses: snok/install-poetry@v1.1.4
+        uses: snok/install-poetry@v1
         with:
+          version: 1.1.8
           virtualenvs-create: true
           virtualenvs-in-project: true
+          installer-parallel: true
 
       - name: Setup redis
         if: ${{ matrix.os != 'windows-latest' }}
@@ -59,7 +60,7 @@ jobs:
       - name: Project dependencies
         if: steps.cached-poetry-dependencies.outputs.cache-hit != 'true'
         run: |
-          poetry install --no-interaction
+          poetry install --no-interaction -E fast -E redis -E proxy -E i18n -E docs
 
       - name: Lint code
         run: |