update Go and crane versions used in CI test

Download crane binary corresponding to underlying runner architecture

.github/workflows/use-action.yaml

@@ -15,18 +15,21 @@ jobs:
     steps:
       - uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.20.x
       - uses: actions/checkout@v2
 
       - uses: imjasonh/setup-crane@main
-      - run: crane digest ubuntu
+      - run: |
+          crane digest ubuntu
+          crane manifest ubuntu | jq
+          crane copy ubuntu ghcr.io/${{ github.repository }}/ubuntu-copy
 
       - name: Install old release
         uses: imjasonh/setup-crane@main
         with:
-          version: v0.4.0
+          version: v0.12.0
       - name: Check installed version
-        run: crane version | grep 0.4.0
+        run: crane version | grep 0.12.0
 
       - name: Install from tip
         uses: imjasonh/setup-crane@main

README.md

@@ -25,7 +25,7 @@ jobs:
       - run: |
         crane digest ubuntu
         crane manifest ubuntu | jq
-        crane copy ubuntu ghcr.io/${{ github.owner
+        crane copy ubuntu ghcr.io/${{ github.repository }}/ubuntu-copy
 ```
 
 _That's it!_ This workflow will inspect and copy the `ubuntu` image to your repo's GitHub container registry namespace.

action.yml

@@ -22,7 +22,7 @@ runs:
       case ${{ inputs.version }} in
       tip)
         echo "Installing crane using go get"
-        go get github.com/google/go-containerregistry/cmd/crane@main
+        go install github.com/google/go-containerregistry/cmd/crane@main
         ;;
       latest-release)
         tag=$(curl -s -u "username:${{ github.token }}" https://api.github.com/repos/google/go-containerregistry/releases/latest | jq -r '.tag_name')
@@ -35,10 +35,15 @@ runs:
       if [[ $os == "macOS" ]]; then
         os="Darwin"
       fi
+      
+      arch=$(uname -m)
+      if [[ "$arch" =~ (aarch64|arm64) ]] ; then
+        arch=arm64
+      fi  
 
       if [[ ! -z ${tag} ]]; then
-        echo "Installing crane @ ${tag} for ${os}"
-        curl -fsL https://github.com/google/go-containerregistry/releases/download/${tag}/go-containerregistry_${os}_x86_64.tar.gz | sudo tar xzf - -C /usr/local/bin crane
+        echo "Installing crane @ ${tag} for ${os} on ${arch}"
+        curl -fsL https://github.com/google/go-containerregistry/releases/download/${tag}/go-containerregistry_${os}_${arch}.tar.gz | sudo tar xzf - -C /usr/local/bin crane
       fi
 
       # NB: username doesn't seem to matter.