Add new ubuntu-24.04-arm runner to CI

.github/workflows/ci.yml

@@ -6,9 +6,9 @@ on:
       - 'main'
 
 env:
-  BUILDER_VERSION: v0.9.72
+  BUILDER_VERSION: ubuntu-arm
   BUILDER_HOST: https://d19elf31gohf1l.cloudfront.net
-  BUILDER_SOURCE: releases
+  BUILDER_SOURCE: channels
   PACKAGE_NAME: aws-c-common
   LINUX_BASE_IMAGE: ubuntu-18-x64
   RUN: ${{ github.run_id }}-${{ github.run_number }}
@@ -305,12 +305,25 @@ jobs:
           chmod a+x builder
           ./builder build -p ${{ env.PACKAGE_NAME }}
 
+  linux-arm64:
+    runs-on: ubuntu-24.04-arm # latest
+    steps:
+    - uses: aws-actions/configure-aws-credentials@v4
+      with:
+        role-to-assume: ${{ env.CRT_CI_ROLE }}
+        aws-region: ${{ env.AWS_DEFAULT_REGION }}
+    - name: Build ${{ env.PACKAGE_NAME }} + consumers
+      run: |
+        python3 -c "from urllib.request import urlretrieve; urlretrieve('${{ env.BUILDER_HOST }}/${{ env.BUILDER_SOURCE }}/${{ env.BUILDER_VERSION }}/builder.pyz?run=${{ env.RUN }}', 'builder')"
+        chmod a+x builder
+        ./builder build -p ${{ env.PACKAGE_NAME }}
+
   cross_compile:
     name: Cross Compile ${{matrix.arch}}
     runs-on: ubuntu-24.04 # latest
     strategy:
       matrix:
-        arch: [linux-armv6, linux-armv7, linux-arm64, android-armv7]
+        arch: [linux-armv6, linux-armv7, android-armv7]
     steps:
     - uses: aws-actions/configure-aws-credentials@v4
       with: