chore: add arm64 arch to .krew.yaml

Author: knight42

.krew.yaml

@@ -16,9 +16,21 @@ spec:
         arch: amd64
     {{addURIAndSha "https://github.com/knight42/kubectl-blame/releases/download/{{ .TagName }}/kubectl-blame-{{ .TagName }}-darwin-amd64.tar.gz" .TagName }}
     bin: kubectl-blame
+  - selector:
+      matchLabels:
+        os: darwin
+        arch: arm64
+    {{addURIAndSha "https://github.com/knight42/kubectl-blame/releases/download/{{ .TagName }}/kubectl-blame-{{ .TagName }}-darwin-arm64.tar.gz" .TagName }}
+    bin: kubectl-blame
   - selector:
       matchLabels:
         os: linux
         arch: amd64
     {{addURIAndSha "https://github.com/knight42/kubectl-blame/releases/download/{{ .TagName }}/kubectl-blame-{{ .TagName }}-linux-amd64.tar.gz" .TagName }}
     bin: kubectl-blame
+  - selector:
+      matchLabels:
+        os: linux
+        arch: arm64
+    {{addURIAndSha "https://github.com/knight42/kubectl-blame/releases/download/{{ .TagName }}/kubectl-blame-{{ .TagName }}-linux-arm64.tar.gz" .TagName }}
+    bin: kubectl-blame