Fix Snap publishing (#1796)

Co-authored-by: Sindre Sorhus <[email protected]>

Author: dusansimic

package.json

@@ -133,7 +133,17 @@
 				"camera",
 				"removable-media"
 			],
-			"publish": "github"
+			"publish": [
+				{
+					"provider": "github"
+				},
+				{
+					"provider": "snapStore",
+					"channels": [
+						"stable"
+					]
+				}
+			]
 		},
 		"win": {
 			"verifyUpdateCodeSignature": false,