drop pyrhon 3.8 in the CI and add 3.12 and 3.13

Author: matekelemen

.github/workflows/ci.yml

@@ -127,7 +127,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         compiler: [GCC, ICC]
     timeout-minutes: 15
 
@@ -221,7 +221,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     timeout-minutes: 15
 
     steps:
@@ -297,7 +297,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
     timeout-minutes: 15
 
     steps: