Use native ARM runner for builder action, update to builder 2026.02.1 (#163942)

.github/workflows/builder.yml

@@ -272,7 +272,7 @@ jobs:
     name: Build ${{ matrix.machine }} machine core image
     if: github.repository_owner == 'home-assistant'
     needs: ["init", "build_base"]
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.runs-on }}
     permissions:
       contents: read # To check out the repository
       packages: write # To push to GHCR
@@ -294,6 +294,21 @@ jobs:
           - raspberrypi5-64
           - yellow
           - green
+        include:
+          # Default: aarch64 on native ARM runner
+          - arch: aarch64
+            runs-on: ubuntu-24.04-arm
+          # Overrides for amd64 machines
+          - machine: generic-x86-64
+            arch: amd64
+            runs-on: ubuntu-24.04
+          - machine: qemux86-64
+            arch: amd64
+            runs-on: ubuntu-24.04
+          # TODO: remove, intel-nuc is a legacy name for x86-64, renamed in 2021
+          - machine: intel-nuc
+            arch: amd64
+            runs-on: ubuntu-24.04
     steps:
       - name: Checkout the repository
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
@@ -321,8 +336,9 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Build base image
-        uses: home-assistant/builder@2025.11.0 # zizmor: ignore[unpinned-uses]
+        uses: home-assistant/builder@6cb4fd3d1338b6e22d0958a4bcb53e0965ea63b4 # 2026.02.1
         with:
+          image: ${{ matrix.arch }}
           args: |
             $BUILD_ARGS \
             --target /data/machine \