remove python 3.8 build (#675)

Author: cbeauchesne

.github/workflows/build_layer.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       matrix:
         arch: [arm64, amd64]
-        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"]
 
     steps:
       - name: Checkout