Fix tobspr-osx-sign issues

gulp/package.json

@@ -112,9 +112,11 @@
         "postcss-unprefix": "^2.1.3",
         "sass-unused": "^0.3.0",
         "strip-json-comments": "^3.0.1",
-        "tobspr-osx-sign": "^1.0.1",
         "trim": "^0.0.1",
         "webpack-stream": "^5.2.1",
         "yaml-loader": "^0.6.0"
+    },
+    "optionalDependencies": {
+        "tobspr-osx-sign": "^1.0.1"
     }
 }

gulp/standalone.js

@@ -8,7 +8,13 @@ const fse = require("fs-extra");
 const buildutils = require("./buildutils");
 const execSync = require("child_process").execSync;
 const electronNotarize = require("electron-notarize");
-const { signAsync } = require("tobspr-osx-sign");
+
+let signAsync;
+try {
+    signAsync = require("tobspr-osx-sign").signAsync;
+} catch (ex) {
+    console.warn("tobspr-osx-sign not installed, can not create osx builds");
+}
 
 function gulptasksStandalone($, gulp) {
     const targets = [

gulp/yarn.lock

@@ -12342,7 +12342,6 @@ to-through@^2.0.0:
     through2 "^2.0.3"
 
 tobspr-osx-sign@^1.0.1:
-  name electron-osx-sign
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/tobspr-osx-sign/-/tobspr-osx-sign-1.0.1.tgz#5cca32185d813357b556a6a839305558656c45d5"
   integrity sha512-jXSw9n/ivAnHwwpImvHnTkhbeI06ZDvLKLP3rryZLBoAt1nfljoIEgdPz7vNlOUBGwVEYOl2VauViNOmZPNZ7A==