remove python 3.8 run in ci pipeline

Author: marceljk

.github/workflows/ci.yaml

@@ -5,19 +5,10 @@ on: [pull_request, workflow_dispatch]
 jobs:
   main:
     name: CI
-    continue-on-error: ${{ matrix.optional }}
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
-        optional: [false]
-        include:
-          - os: ubuntu-latest
-            python-version: "3.8"
-            optional: true
-          - os: macos-latest
-            python-version: "3.8"
-            optional: true
     runs-on: ${{ matrix.os }}
     steps:      
       - name: Checkout