Remove 3.8 from ci

Author: rmjarvis

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
             matrix:
                 # First all python versions in basic linux
                 os: [ ubuntu-latest ]
-                py: [ 3.8, 3.9, "3.10", 3.11, 3.12, 3.13 ]
+                py: [ 3.9, "3.10", 3.11, 3.12, 3.13 ]
                 CC: [ gcc ]
                 CXX: [ g++ ]
                 FFTW_DIR: [ "/usr/local/lib" ]