fix: ci optional run for python 3.8

Author: marceljk

.github/workflows/ci.yaml

@@ -5,10 +5,16 @@ on: [pull_request, workflow_dispatch]
 jobs:
   main:
     name: CI
+    continue-on-error: ${{ matrix.optional }}
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
+        optional: [false]
+        include:
+          - os: [ubuntu-latest, macos-latest]
+            python-version: "3.8"
+            optional: true
     runs-on: ${{ matrix.os }}
     steps:      
       - name: Checkout