upgrade workspace-d, bump to v0.7.0-rc.1

Author: WebFreak001

dub.json

@@ -4,7 +4,7 @@
 	"license": "MIT",
 	"copyright": "Copyright © 2017-2021, webfreak",
 	"dependencies": {
-		"workspace-d": "3.6.0-pre.15",
+		"workspace-d": "3.6.0",
 		"eventsystem": "~>1.2.0",
 		"libddoc": "0.7.4",
 		"rm-rf": "~>0.1.0",

source/served/info.d

@@ -1,4 +1,4 @@
 module source.served.info;
 
 static immutable Version = [0, 7, 0];
-static immutable VersionSuffix = "beta.7"; // like beta.1
+static immutable VersionSuffix = "rc.1"; // like beta.1