fix(deploy): update to @angular/fire 6.1.0-rc.1 to fix ng deploy

- the deprecated Workspace API was removed

Author: Splaktar

package-lock.json

@@ -22,7 +22,7 @@
     "@angular/common": "11.0.0",
     "@angular/compiler": "11.0.0",
     "@angular/core": "11.0.0",
-    "@angular/fire": "^6.0.5",
+    "@angular/fire": "^6.1.0-rc.1",
     "@angular/forms": "11.0.0",
     "@angular/material": "11.0.0",
     "@angular/platform-browser": "11.0.0",