Add instanseg 0.1.2

Author: alanocallaghan

catalog.json

@@ -8,6 +8,14 @@
         "homepage": "https://github.com/qupath/qupath-extension-instanseg",
         "starred": true,
         "releases": [
+            {
+                "name": "v0.1.2",
+                "main_url": "https://github.com/qupath/qupath-extension-instanseg/releases/download/v0.1.2/qupath-extension-instanseg-0.1.2.jar",
+                "javadoc_urls": ["https://github.com/qupath/qupath-extension-instanseg/releases/download/v0.1.2/qupath-extension-instanseg-0.1.2-javadoc.jar"],
+                "version_range": {
+                    "min": "v0.6.0-rc4"
+                }
+            },
             {
                 "name": "v0.1.1",
                 "main_url": "https://github.com/qupath/qupath-extension-instanseg/releases/download/v0.1.1/qupath-extension-instanseg-0.1.1.jar",