Add support for ARM64 (Apple Silicon / M1) (#47)

* Add support for ARM64 (Apple Silicon / M1)

* Update .goreleaser.yml

correct typo delete

Author: sammcj

.goreleaser.yml

@@ -15,8 +15,6 @@ builds:
   - amd64
   - arm64
   ignore:
-  - goos: darwin
-    goarch: arm64
   - goos: windows
     goarch: arm64
 

.krew.yaml

@@ -21,6 +21,12 @@ spec:
         arch: amd64
     {{addURIAndSha "https://github.com/ahmetb/kubectl-tree/releases/download/{{ .TagName }}/kubectl-tree_{{ .TagName }}_darwin_amd64.tar.gz" .TagName }}
     bin: kubectl-tree
+  - selector:
+      matchLabels:
+        os: darwin
+        arch: arm64
+    {{addURIAndSha "https://github.com/ahmetb/kubectl-tree/releases/download/{{ .TagName }}/kubectl-tree_{{ .TagName }}_darwin_arm64.tar.gz" .TagName }}
+    bin: kubectl-tree
   - selector:
       matchLabels:
         os: linux