disable tests on x86 for now

Author: Christopher Doris

.github/workflows/tests.yml

@@ -67,7 +67,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arch: [x64, x86]
+        arch: [x64] # x86 currently unsupported by MicroMamba/CondaPkg
         os: [ubuntu-latest, windows-latest, macos-latest]
         jlversion: ['1']
         exclude: