Release CultLib Unity 1.0.61: enable the x86_64 native QUIC plugins for Win64

gamecult_mesh_quic_native.dll.meta and msquic.dll.meta enabled the plugins
for Standalone: Win (32-bit) only, so 64-bit Windows players shipped without
the native QUIC bridge. Both now target Standalone: Win64 and are disabled
for 32-bit Windows. Managed plugin DLLs rebuilt by build-unity-package.ps1
-UpdateTemplate to carry 1.0.61; the native bridge keeps its 1.0.60 bytes
(its source is unchanged; an MSVC rebuild is not byte-reproducible).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

unity/org.gamecult.cultlib/CHANGELOG.md

@@ -2,6 +2,17 @@
 
 All notable changes to this package are documented in this file.
 
+## [1.0.61] - 2026-10-03
+
+### Fixed
+
+- The native QUIC plugins under `Runtime/Plugins/x86_64` (`gamecult_mesh_quic_native.dll`
+  and `msquic.dll`) are enabled for 64-bit Windows players (`Standalone: Win64`).
+  Their import settings named only `Standalone: Win`, the 32-bit target, so a
+  Win64 player build left both DLLs out and the native QUIC bridge was
+  unavailable at runtime. They are now disabled for 32-bit Windows, which they
+  cannot load.
+
 ## [1.0.60]
 
 ### Changed

unity/org.gamecult.cultlib/Runtime/Plugins/x86_64/gamecult_mesh_quic_native.dll.meta

@@ -25,6 +25,12 @@ PluginImporter:
         DefaultValueInitialized: true
   - first:
       Standalone: Win
+    second:
+      enabled: 0
+      settings:
+        CPU: None
+  - first:
+      Standalone: Win64
     second:
       enabled: 1
       settings:

unity/org.gamecult.cultlib/Runtime/Plugins/x86_64/msquic.dll.meta

@@ -25,6 +25,12 @@ PluginImporter:
         DefaultValueInitialized: true
   - first:
       Standalone: Win
+    second:
+      enabled: 0
+      settings:
+        CPU: None
+  - first:
+      Standalone: Win64
     second:
       enabled: 1
       settings:

unity/org.gamecult.cultlib/package.json

@@ -1,7 +1,7 @@
 {
   "name": "org.gamecult.cultlib",
   "displayName": "CultLib",
-  "version": "1.0.60",
+  "version": "1.0.61",
   "unity": "2021.3",
   "description": "CultCache, CultNet, and CultMesh managed runtime assemblies for Unity.",
   "license": "MIT",