Fixed up CI workflows

Author: TheCedarPrince

.github/workflows/ci.yml

@@ -1,7 +1,6 @@
 name: CI
 on:
   - push
-  - pull_request
 jobs:
   test: # Job to run test suite
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}