[mod] ci: add cp3.14 (part 2)

Use stable version (remove `-dev` suffix).
Stop CI on error [1] / Don't ignore when 3.14 ends with ERROR.

[1] https://github.com/searxng/searxng/pull/5217

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

.github/workflows/integration.yml

@@ -25,14 +25,13 @@ jobs:
     name: Python ${{ matrix.python-version }}
     runs-on: ubuntu-24.04
     strategy:
-      fail-fast: false
       matrix:
         python-version:
           - "3.10"
           - "3.11"
           - "3.12"
           - "3.13"
-          - "3.14-dev"
+          - "3.14"
 
     steps:
       - name: Setup Python
@@ -56,7 +55,6 @@ jobs:
         run: make V=1 install
 
       - name: Run tests
-        continue-on-error: ${{ matrix.python-version == '3.14-dev' }}
         run: make V=1 ci.test
 
   theme: