feat: Migrate to Python 3.10 (#324)

As part of upgrading all our systems.

.github/workflows/ci-cd.yml

@@ -33,7 +33,14 @@ jobs:
       checks: write
       # For repo checkout
       contents: read
-    uses: climatepolicyradar/reusable-workflows/.github/workflows/python-precommit-validator.yml@v10
+    uses: climatepolicyradar/reusable-workflows/.github/workflows/python-precommit-validator.yml@v13
+    with:
+      # These ignores are different, since for some reason, the
+      # specific one isn't working on this field.
+      # trunk-ignore-all: Sometimes the Python version is split at .'s in Actions
+      python-version: "3.10"
+      # trunk-ignore(yamllint/quoted-strings): Sometimes the Python version is split at .'s in Actions
+      poetry-version: "1.8.2"
 
   non-search-tests:
     if: |
@@ -50,7 +57,7 @@ jobs:
         run: cp .env.example .env
 
       - name: Get python Container
-        run: docker pull python:3.9
+        run: docker pull python:3.10
 
       - name: Build
         run: |
@@ -92,7 +99,7 @@ jobs:
         run: cp .env.example .env
 
       - name: Get python Container
-        run: docker pull python:3.9
+        run: docker pull python:3.10
 
       - name: Install latest Vespa CLI
         env:
@@ -154,7 +161,7 @@ jobs:
         run: cp .env.example .env
 
       - name: Get python Container
-        run: docker pull python:3.9
+        run: docker pull python:3.10
 
       - name: Build
         run: |

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.10-slim
 
 RUN mkdir /cpr-backend
 WORKDIR /cpr-backend