fall back to any architecture when getting plugin's checksum #30034 (#30035)

* fall back to any architecture when getting plugin's checksum

* Update pkg/cmd/grafana-cli/commands/install_command.go

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

* remove typo

Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

pkg/cmd/grafana-cli/commands/install_command.go

@@ -97,7 +97,11 @@ func InstallPlugin(pluginName, version string, c utils.CommandLine, client utils
 
 		// Plugins which are downloaded just as sourcecode zipball from github do not have checksum
 		if v.Arch != nil {
-			checksum = v.Arch[osAndArchString()].SHA256
+			archMeta, exists := v.Arch[osAndArchString()]
+			if !exists {
+				archMeta = v.Arch["any"]
+			}
+			checksum = archMeta.SHA256
 		}
 	}