feat: self-serve signup Phase 2 (frontend cutover) (#162)

Co-authored-by: Michael Chihlas <michael@resolutionflow.com>
Co-committed-by: Michael Chihlas <michael@resolutionflow.com>

.github/workflows/ci.yml

@@ -37,10 +37,10 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: pip
           cache-dependency-path: |
             backend/requirements.txt
@@ -143,10 +143,10 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - name: Set up Python 3.11
+      - name: Set up Python 3.12
         uses: actions/setup-python@v5
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           cache: pip
           cache-dependency-path: |
             backend/requirements.txt