fix protobuf broken version for google (optional) dependencies (#254)

The optional dependencies for google AI platform (vertex) bring in
protobuf. We need to pin to the correct version that doesn't have a
deadly bug (documented
[here](protocolbuffers/protobuf#19430)).

.github/workflows/lint.yml

@@ -32,6 +32,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install Poetry
       uses: snok/install-poetry@v1
+      with:
+        version: 1.8.3
     - name: Install dependencies
       run: |
         poetry install --all-extras

.github/workflows/release.yml

@@ -9,7 +9,7 @@ on:
 
 env:
   PYTHON_VERSION: "3.11"
-  POETRY_VERSION: "1.4.2"
+  POETRY_VERSION: "1.8.3"
 
 jobs:
   build:
@@ -25,6 +25,8 @@ jobs:
 
       - name: Install Poetry
         uses: snok/install-poetry@v1
+        with:
+          version: 1.8.3
 
       - name: Set Version
         run: poetry version ${{ github.event.inputs.version }}

.github/workflows/run_tests.yml

@@ -35,6 +35,8 @@ jobs:
 
     - name: Install Poetry
       uses: snok/install-poetry@v1
+      with:
+        version: 1.8.3
 
     - name: Install dependencies
       run: |