Change runner to ubuntu-24.04-8core for builds

.github/workflows/build_container_images.yaml

@@ -3,7 +3,7 @@ run-name: ${{ github.actor }}'s changes have triggered a build of the sdk contai
 on: [workflow_call]
 jobs:
   build-container-images:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-8core
     services:
       # This local container registry is used to temporarily hold intermediate
       # docker images until they can be tested without pushing to the remote

.github/workflows/deploy_container_images.yaml

@@ -9,7 +9,7 @@ jobs:
   build-test:
     uses: ./.github/workflows/test_container_images.yaml
   push:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-8core
     needs: [build-test]
     steps:
       - run: echo "The job was automatically triggered by a ${{ github.event_name }} event."

.github/workflows/test_container_images.yaml

@@ -8,7 +8,7 @@ jobs:
   build-container-images:
     uses: ./.github/workflows/build_container_images.yaml
   test-container-images:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04-8core
     needs: [build-container-images]
     outputs:
       intrinsic_ai_sdk_version: ${{ needs.build-container-images.outputs.intrinsic_ai_sdk_version }}