Update compile.yml

Author: joshua-8

.github/workflows/compile.yml

@@ -51,7 +51,7 @@ jobs:
   compile-sketch:
     needs: process-website #run after
     strategy:
-      max-parallel: 1 # since the actions edit files in the repo, only run one at a time.
+      max-parallel: 15 # since the actions edit files in the repo, only run one at a time.
       matrix:
         # list of programs to compile (can have multiple programs for multiple boards)
         # for additional-commands use | to separate multiple commands, to install library, use arduino-cli lib install <Library>