Temporarily disable x86_64 macOS

Upstream rustc broke it when turning it into a tier 2 target

Author: bjorn3

.github/workflows/main.yml

@@ -56,9 +56,10 @@ jobs:
           - os: ubuntu-24.04-arm
             env:
               TARGET_TRIPLE: aarch64-unknown-linux-gnu
-          - os: macos-13
-            env:
-              TARGET_TRIPLE: x86_64-apple-darwin
+          # FIXME(rust-lang/rust#145699)
+          #- os: macos-13
+          #  env:
+          #    TARGET_TRIPLE: x86_64-apple-darwin
           - os: macos-latest
             env:
               TARGET_TRIPLE: aarch64-apple-darwin
@@ -187,9 +188,10 @@ jobs:
           - os: ubuntu-24.04-arm
             env:
               TARGET_TRIPLE: aarch64-unknown-linux-gnu
-          - os: macos-13
-            env:
-              TARGET_TRIPLE: x86_64-apple-darwin
+          # FIXME(rust-lang/rust#145699)
+          #- os: macos-13
+          #  env:
+          #    TARGET_TRIPLE: x86_64-apple-darwin
           - os: macos-latest
             env:
               TARGET_TRIPLE: aarch64-apple-darwin