package/ci: can't test on Xcode 11.7 anymore.

Also disabling iOS tests until mosra/corrade#176
is resolved.

package/ci/circleci.yml

@@ -15,10 +15,10 @@ executors:
   ubuntu-18_04:
     docker:
     - image: ubuntu:bionic-20220427
-  # Anything below 11.7 is deprecated as of June 6th 2022
-  xcode-11_7:
+  # Anything below 12.5.1 is deprecated as of August 2023
+  xcode-12_5:
     macos:
-      xcode: 11.7.0
+      xcode: 12.5.1
   emscripten:
     docker:
     # 1.39.0 is the oldest on Docker. Anything before 1.39.2 is useless as emar
@@ -497,7 +497,7 @@ jobs:
         script: unix-desktop.sh
 
   macos:
-    executor: xcode-11_7
+    executor: xcode-12_5
     environment:
       CMAKE_CXX_FLAGS: --coverage
       CONFIGURATION: Debug
@@ -511,7 +511,7 @@ jobs:
     - lcov
 
   macos-static:
-    executor: xcode-11_7
+    executor: xcode-12_5
     environment:
       # STUPID yml interprets unquoted ON as a boolean
       BUILD_STATIC: "ON"
@@ -550,7 +550,7 @@ jobs:
         script: android-x86.sh
 
   ios:
-    executor: xcode-11_7
+    executor: xcode-12_5
     environment:
       # Yep, xcodebuild is beyond stupid and just DOESN'T build in parallel by
       # default. The default medium resource class has 4 CPUs and Ninja uses

package/ci/ios-simulator.sh

@@ -143,7 +143,9 @@ cmake .. \
     -DMAGNUM_BUILD_GL_TESTS=ON \
     -G Xcode
 set -o pipefail && cmake --build . --config Release -j$XCODE_JOBS | xcbeautify
-CORRADE_TEST_COLOR=ON ctest -V -C Release
+
+# TODO enable again once https://github.com/mosra/corrade/pull/176 is resolved
+#CORRADE_TEST_COLOR=ON ctest -V -C Release
 
 # Test install, after running the tests as for them it shouldn't be needed
 set -o pipefail && cmake --build . --config Release --target install -j$XCODE_JOBS | xcbeautify