Update latest.txt for 5.0 / 4.1.5

scripts/latest.txt

@@ -1,10 +1,10 @@
 {
-    "version": "4.2.2",
-    "url":     "https://docs.wagtail.org/en/stable/releases/4.2.2.html",
-    "minorUrl": "https://docs.wagtail.org/en/stable/releases/4.2.html",
+    "version": "5.0",
+    "url":     "https://docs.wagtail.org/en/stable/releases/5.0.html",
+    "minorUrl": "https://docs.wagtail.org/en/stable/releases/5.0.html",
     "lts": {
-        "version": "4.1.4",
-        "url": "https://docs.wagtail.org/en/stable/releases/4.1.4.html",
+        "version": "4.1.5",
+        "url": "https://docs.wagtail.org/en/stable/releases/4.1.5.html",
         "minorUrl": "https://docs.wagtail.org/en/stable/releases/4.1.html"
     }
 }