rawtherapee: Fix autoupdate

* Simplify manifest.
* Correct the autoupdate URL where the version number was hardcoded.
* Relates to a56a1c49.

Author: z-Fng

bucket/rawtherapee.json

@@ -9,10 +9,7 @@
             "hash": "fe0ab7e0e647130641a13cfaf54543c63efcc62a8da97acb9cde92c1bc255b8c"
         }
     },
-    "pre_install": [
-        "Get-ChildItem \"$dir\\RawTherapee*.exe\" | Rename-Item -NewName 'setup.exe'",
-        "Expand-InnoArchive -Path \"$dir\\setup.exe\" -Removal"
-    ],
+    "innosetup": true,
     "bin": [
         "rawtherapee.exe",
         "rawtherapee-cli.exe"
@@ -29,7 +26,7 @@
     "autoupdate": {
         "architecture": {
             "64bit": {
-                "url": "https://github.com/RawTherapee/RawTherapee/releases/download/5.12/RawTherapee_5.12_win64_release.exe"
+                "url": "https://github.com/RawTherapee/RawTherapee/releases/download/$version/RawTherapee_$version_win64_release.exe"
             }
         },
         "hash": {