Workitem/update gh workflows (#3)

* ci: updated workflows

* build: added dependency for python 3.9 and 3.10

* build: updated poetry lock

* fix: fixed bug in python 3.10

* ci: Updated deploy docs workflow trigger

.github/pull_request_template.md

@@ -0,0 +1,4 @@
+## Describe your changes
+<!-- What changes have been made in this branch -->
+
+-

.github/workflows/build_and_publish_docs.yml

@@ -1,14 +1,13 @@
 name: Build and deploy docs to GitHub Pages
 
-on: workflow_dispatch
-
-  # push:
-  #   branches:
-  #     - master
-  #   paths:
-  #     - 'mkdocs.yml'
-  #     - 'docs/**'
-  #     - 'eth_2_key_manager_api_client/**'
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'mkdocs.yml'
+      - 'docs/**'
+      - 'eth_2_key_manager_api_client/**'
 
 jobs:
   deploy:
@@ -19,7 +18,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v2
       with:
-        python-version: 3.11
+        python-version: '3.11'
 
     - name: install poetry
       run: pip install poetry
@@ -31,7 +30,7 @@ jobs:
       run:  poetry install
 
     - name: Build documentation
-      run: poetry run mkdocs build --verbose --clean --strict
+      run: poetry run mkdocs build --verbose --clean
 
     - name: Deploy to GitHub Pages
       uses: peaceiris/actions-gh-pages@v3

.github/workflows/run_unit_tests.yml

@@ -12,11 +12,11 @@ on: workflow_dispatch
   # #     - 'eth_2_key_manager_api_client/**'
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8, 3.9, 3.10, 3.11]
+        python-version: ['3.9', '3.10', '3.11']
 
     steps:
     - uses: actions/checkout@v2

eth_2_key_manager_api_client/eth_2_keymanager.py

@@ -49,8 +49,8 @@ class Eth2KeyManager:
 
     def __init__(
         self,
-        base_url: str | None = None,
-        token: str | None = None,
+        base_url: Union[str, None] = None,
+        token: Union[str, None] = None,
         cookies: Dict[str, str] = {},
         headers: Dict[str, str] = {},
         timeout: float = 10.0,