[CI-only] Notarize darwin arm (#2221)

Currently, darwin arm binaries are not being notarized (called out by Louis!) This adds that in.

.release/ci.hcl

@@ -83,8 +83,21 @@ event "notarize-darwin-amd64" {
   }
 }
 
-event "notarize-windows-386" {
+event "notarize-darwin-arm64" {
   depends = ["notarize-darwin-amd64"]
+  action "notarize-darwin-arm64" {
+    organization = "hashicorp"
+    repository   = "crt-workflows-common"
+    workflow     = "notarize-darwin-arm64"
+  }
+
+  notification {
+    on = "fail"
+  }
+}
+
+event "notarize-windows-386" {
+  depends = ["notarize-darwin-arm64"]
   action "notarize-windows-386" {
     organization = "hashicorp"
     repository = "crt-workflows-common"