Exclude osx x86 builds

Signed-off-by: Robert Kruszewski <github@robertk.io>

Author: robert3005

.github/workflows/MainDistributionPipeline.yml

@@ -19,5 +19,5 @@ jobs:
       ci_tools_version: v1.3.2
       duckdb_version: v1.3.2
       extension_name: vortex
-      exclude_archs: "wasm_mvp;wasm_eh;wasm_threads;windows_amd64_rtools;windows_amd64_mingw;windows_amd64;linux_amd64_musl"
+      exclude_archs: "wasm_mvp;wasm_eh;wasm_threads;windows_amd64_rtools;windows_amd64_mingw;windows_amd64;linux_amd64_musl;osx_amd64"
       extra_toolchains: "rust"