Add CMake preset for iOS build without precompiled headers, which is required for ccache

.github/workflows/github.yml

@@ -103,7 +103,7 @@ jobs:
             test: 0
             pack: 1
             extension: ipa
-            preset: ios-release-conan
+            preset: ios-release-conan-ccache
             conan_profile: ios-arm64
             conan_options: --options with_apple_system_libs=True
           - platform: msvc

CMakePresets.json

@@ -217,7 +217,19 @@
             "inherits": [
                 "base-ios-release",
                 "ios-device-conan"
-            ]
+            ],
+            "cacheVariables": {
+                "ENABLE_PCH" : "ON"
+            }
+        },
+        {
+            "name": "ios-release-conan-ccache",
+            "displayName": "iOS+Conan release using ccache",
+            "description": "VCMI iOS release using Conan and ccache",
+            "inherits": "ios-release-conan",
+            "cacheVariables": {
+                "ENABLE_PCH" : "OFF"
+            }
         },
         {
             "name": "ios-release-legacy",
@@ -327,6 +339,11 @@
                 "CODE_SIGNING_ALLOWED_FOR_APPS=NO"
             ]
         },
+        {
+            "name": "ios-release-conan-ccache",
+            "configurePreset": "ios-release-conan-ccache",
+            "inherits": "ios-release-conan"
+        },
         {
             "name": "ios-release-legacy",
             "configurePreset": "ios-release-legacy",