Chore: Upgrade Docker image to Python 3.14 (#13721)

* Upgrades our base image to uv 0.12 branch and Python 3.14

* Upgrades our workflows to uv 0.12.x as well

* Updates these locked wheels too

.github/workflows/ci-backend.yml

@@ -11,7 +11,7 @@ concurrency:
   group: backend-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 env:
-  DEFAULT_UV_VERSION: "0.11.x"
+  DEFAULT_UV_VERSION: "0.12.x"
   NLTK_DATA: "/usr/share/nltk_data"
 permissions: {}
 jobs:

.github/workflows/ci-docs.yml

@@ -11,7 +11,7 @@ concurrency:
 permissions:
   contents: read
 env:
-  DEFAULT_UV_VERSION: "0.11.x"
+  DEFAULT_UV_VERSION: "0.12.x"
   DEFAULT_PYTHON_VERSION: "3.12"
 jobs:
   changes:

.github/workflows/ci-release.yml

@@ -8,7 +8,7 @@ concurrency:
   group: release-${{ github.ref }}
   cancel-in-progress: false
 env:
-  DEFAULT_UV_VERSION: "0.11.x"
+  DEFAULT_UV_VERSION: "0.12.x"
   DEFAULT_PYTHON_VERSION: "3.12"
 permissions: {}
 jobs:

.github/workflows/translate-strings.yml

@@ -4,7 +4,7 @@ on:
     branches:
       - dev
 env:
-  DEFAULT_UV_VERSION: "0.11.x"
+  DEFAULT_UV_VERSION: "0.12.x"
 jobs:
   generate-translate-strings:
     name: Generate Translation Strings