ci: exclude arm64 for Amazon Linux 1 (no aarch64 image)

Author: maxday

.github/workflows/runtime-interface-client_pr.yml

@@ -114,6 +114,14 @@ jobs:
           - label: arm64
             runner: ubuntu-24.04-arm
             platform: linux/arm64/v8
+        exclude:
+          # Amazon Linux 1 was never published for ARM64 (x86_64 only), so
+          # public.ecr.aws/amazonlinux/amazonlinux:1 has no arm64 manifest.
+          - buildspec: buildspec.os.amazonlinux.1.yml
+            arch:
+              label: arm64
+              runner: ubuntu-24.04-arm
+              platform: linux/arm64/v8
     name: "integration-test (${{ matrix.buildspec }} / ${{ matrix.arch.label }})"
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6