Release CultLib Unity 1.0.59 and the Studio 1.3.1

Corrects the 1.0.58/1.3.0 release. Rebuilds the tracked plugins with
scripts/build-unity-package.ps1 -UpdateTemplate so they carry "" as the
unset CultRecordRef wire form in every position (nil still reads as unset)
and the edit-start Record snapshot. The native QUIC connector changes once
to its /Brepro form; later rebuilds reproduce it byte for byte. The Studio
package moves to 1.3.1 and depends on cultlib 1.0.59.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

src/GameCult.Unity/Assets/Caching/package.json

@@ -1,7 +1,7 @@
 {
     "name": "org.gamecult.caching.unity",
     "displayName": "GameCult CultCache Unity Tools",
-    "version": "1.3.0",
+    "version": "1.3.1",
     "unity": "2021.3",
     "description": "Unity editor tooling for inspecting and editing CultCache .cc stores.",
     "keywords": [
@@ -10,7 +10,7 @@
         "Data"
     ],
     "dependencies": {
-        "org.gamecult.cultlib": "1.0.58"
+        "org.gamecult.cultlib": "1.0.59"
     },
     "license": "MIT",
     "category": "Scripting"

unity/org.gamecult.cultlib/package.json

@@ -1,7 +1,7 @@
 {
   "name": "org.gamecult.cultlib",
   "displayName": "CultLib",
-  "version": "1.0.58",
+  "version": "1.0.59",
   "unity": "2021.3",
   "description": "CultCache, CultNet, and CultMesh managed runtime assemblies for Unity.",
   "license": "MIT",