Remove ia32 support on dart 3.8 (#2579)

Author: ntkme

.github/workflows/build-linux.yml

@@ -21,9 +21,6 @@ jobs:
           - image: docker.io/library/dart
             platform: linux/amd64
             target: linux-x64
-          - image: docker.io/library/dart
-            platform: linux/amd64
-            target: linux-ia32
           - image: docker.io/library/dart
             platform: linux/arm64
             target: linux-arm64
@@ -36,9 +33,6 @@ jobs:
           - image: ghcr.io/dart-musl/dart
             platform: linux/amd64
             target: linux-x64-musl
-          - image: ghcr.io/dart-musl/dart
-            platform: linux/amd64
-            target: linux-ia32-musl
           - image: ghcr.io/dart-musl/dart
             platform: linux/arm64
             target: linux-arm64-musl
@@ -51,9 +45,6 @@ jobs:
           - image: ghcr.io/dart-android/dart
             platform: linux/amd64
             target: android-x64
-          - image: ghcr.io/dart-android/dart
-            platform: linux/amd64
-            target: android-ia32
           - image: ghcr.io/dart-android/dart
             platform: linux/arm64
             target: android-arm64

.github/workflows/build-windows.yml

@@ -20,8 +20,6 @@ jobs:
         include:
           - arch: x64
             runner: windows-latest
-          - arch: ia32
-            runner: windows-latest
           - arch: arm64
             runner: windows-11-arm