Add compatibility with both pydantic version for CD (#68)

### Changes:
 * Added pyproject.toml backup and recovery on CD.
 * Fixed pydantic version on pyproject.toml.

.github/workflows/continuous_delivery.yml

@@ -27,10 +27,13 @@ jobs:
         run: |
           curl -sSL https://install.python-poetry.org | python3 -
           export PATH="$HOME/.poetry/bin:$PATH"
+      - name: Backup pyproject.toml
+        run: cp pyproject.toml pyproject.toml.bak
       - name: Install project dependencies with Poetry
         run: |
           poetry add pydantic@${{ matrix.pydantic-version }}
           poetry install
+          mv pyproject.toml.bak pyproject.toml
       - name: Style check
         run: |
           # run pre-commit hooks

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pybandits"
-version = "1.0.1"
+version = "1.0.2"
 description = "Python Multi-Armed Bandit Library"
 authors = [
     "Dario d'Andrea <dariod@playtika.com>",
@@ -16,7 +16,7 @@ readme = "README.md"
 python = ">=3.8.1,<3.12"
 loguru = "^0.6"
 numpy = "^1.23"
-pydantic = "1.10.0"
+pydantic = ">=1.10"
 scipy = "^1.9"
 pymc = "^5.3"
 scikit-learn = "^1.1"