Test against Pydantic 1 and 2 (#216)

* Test against Pydantic 1 and 2

Adds Pydantic versions to the test matrix as folks are likely to be using both for a while.

* Quote version comparison

* Upload coverage from all test runs

.github/workflows/main.yaml

@@ -8,11 +8,12 @@ on:
 
 jobs:
   test:
-    name: ${{ matrix.python-version }}-build
+    name: ${{ matrix.python-version }}-pydantic${{ matrix.pydantic-version }}-build
     runs-on: ubuntu-latest
     strategy:
       matrix:
         python-version: ["3.9", "3.10", "3.11"]
+        pydantic-version: ["<2", ">=2"]
     steps:
       - uses: actions/checkout@v3
 
@@ -26,8 +27,9 @@ jobs:
         uses: actions/cache@v3.3.1
         with:
           path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/dev-requirements.txt') }}
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-pydantic${{ matrix.pydantic-version }}-${{ hashFiles('**/dev-requirements.txt') }}
           restore-keys: |
+            ${{ runner.os }}-pip-${{ matrix.python-version }}-pydantic${{ matrix.pydantic-version }}
             ${{ runner.os }}-pip-${{ matrix.python-version }}
             ${{ runner.os }}-pip
             ${{ runner.os }}-pip-dev
@@ -36,6 +38,7 @@ jobs:
         run: |
           python -m pip install -r dev-requirements.txt
           python -m pip install --no-deps -e .
+          python -m pip install "pydantic${{ matrix.pydantic-version }}"
           python -m pip list
 
       - name: Running Tests
@@ -44,7 +47,6 @@ jobs:
 
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3.1.4
-        if: ${{ matrix.python-version }} == 3.9
         with:
           file: ./coverage.xml
           fail_ci_if_error: false