postgresql.json: Update to 17.6 and correct checkvar

Author: Juemuren

bucket/postgresql.json

@@ -1,5 +1,5 @@
 {
-    "version": "17.4",
+    "version": "17.6",
     "description": "Object-relational database management system based on POSTGRES.",
     "homepage": "https://www.postgresql.org",
     "license": "PostgreSQL",
@@ -10,8 +10,8 @@
     ],
     "architecture": {
         "64bit": {
-            "url": "https://get.enterprisedb.com/postgresql/postgresql-17.4-1-windows-x64-binaries.zip",
-            "hash": "80bb49e80df0100dd52e7b3c647896f8d8cfde760b6473e5180819c8df4b23c4"
+            "url": "https://get.enterprisedb.com/postgresql/postgresql-17.6-1-windows-x64-binaries.zip",
+            "hash": "d378882abd001a186735acd6f6ba716bca6ccd192e800412d4fd15ed25376b3e"
         }
     },
     "extract_dir": "pgsql",
@@ -35,7 +35,7 @@
     "persist": "data",
     "checkver": {
         "url": "https://www.postgresql.org/ftp/source/",
-        "regex": "v(?<version>[\\d.]+)"
+        "regex": "v(?<version>[\\d.]+)/"
     },
     "autoupdate": {
         "architecture": {