Fix Grayscale version, disable Squinky Labs I

manifests/Grayscale.json

@@ -5,6 +5,6 @@
   "pluginUrl": "https://vcvrack.com/Grayscale.html",
   "authorUrl": "https://vcvrack.com/",
   "manualUrl": "https://vcvrack.com/Grayscale.html#manual",
-  "latestVersion": "0.5.0",
+  "latestVersion": "0.6.0",
   "status": "available"
 }

manifests/squinkylabs-plug1.json

@@ -4,6 +4,5 @@
   "license": "MIT",
   "manualUrl": "https://github.com/squinkylabs/SquinkyVCV/blob/master/docs/booty-shifter.md",
   "sourceUrl": "https://github.com/squinkylabs/SquinkyVCV",
-  "latestVersion": "0.6.0",
-  "status": "available"
+  "latestVersion": "0.6.0"
 }