chore: update pios image

.github/actions/do-build/action.yaml

@@ -1,24 +1,36 @@
-name: 'Build image'
-description: 'Build image'
+name: "Build image"
+description: "Build image"
 inputs:
   companion-ref:
-    description: 'Git tag/branch from the companion repository'
+    description: "Git tag/branch from the companion repository"
     required: true
-    default: ''
+    default: ""
   PACKER_GITHUB_API_TOKEN:
-    description: ''
+    description: ""
     required: false
-    default: ''
+    default: ""
+env:
+  PACKER_CACHE_DIR: /tmp/packer_cache
 runs:
-  using: 'composite'
+  using: "composite"
   steps:
     - name: install packer
       shell: bash
+      id: install-packer
       run: |
         curl -fsSL https://apt.releases.hashicorp.com/gpg | sudo apt-key add -
         sudo apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main"
         sudo apt-get update && sudo apt-get install -y packer
 
+        CACHE_KEY=$(grep iso_checksum companionpi.pkr.hcl)
+        echo "CACHE_KEY=${CACHE_KEY}" >> "$GITHUB_OUTPUT"
+
+    - name: Restore image cache
+      uses: actions/cache@v4
+      with:
+        path: /tmp/packer_cache
+        key: ${{ steps.install-packet.CACHE_KEY }}
+
     - name: build image
       shell: bash
       run: |
@@ -36,5 +48,5 @@ runs:
         device="$(sudo losetup --partscan --show --find image)"
         sudo zerofree "${device}p2"
         sudo losetup --detach "$device"
-        
+
         sudo gzip -n image

companionpi.pkr.hcl

@@ -17,8 +17,8 @@ variable "pibranch" {
 }
 
 source "arm-image" "companionpi" {
-  iso_checksum              = "sha256:58a3ec57402c86332e67789a6b8f149aeeb4e7bb0a16c9388a66ea6e07012e45"
-  iso_url                   = "https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2024-03-15/2024-03-15-raspios-bookworm-arm64-lite.img.xz"
+  iso_checksum              = "sha256:43d150e7901583919e4eb1f0fa83fe0363af2d1e9777a5bb707d696d535e2599"
+  iso_url                   = "https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2024-07-04/2024-07-04-raspios-bookworm-arm64-lite.img.xz"
   last_partition_extra_size = 2147483648
   qemu_binary               = "qemu-aarch64-static"
 }