fix: reduce compression to speed up builds

src-tauri/tauri.conf.json

···
       "msi",
       "dmg"
     ],
+    "linux": {
+      "rpm": {
+        "compression": {
+          "type": "zstd",
+          "level": 1
+        }
+      }
+    },
     "icon": [
       "icons/32x32.png",
       "icons/128x128.png",