fix cef main loop blocking call & github workflow ccache issue (#674)

* bump obs-browser (fix cef main loop blocking call)

* cmake: Remove Ccache option to enforce second preprocessor call

Feature was removed in Ccache 4.12, which is provided by Homebrew by
default since 2025-10-19.

* ci: Limit use of Ccache option to enforce second preprocessor call

Feature was removed in Ccache 4.12, which is provided by Homebrew by
default since 2025-10-19.

---------

Co-authored-by: PatTheMav <PatTheMav@users.noreply.github.com>

Author: sandboxcoder

.github/scripts/utils.zsh/setup_ccache

@@ -1,9 +1,13 @@
-autoload -Uz log_debug log_warning
+autoload -Uz is-at-least log_debug log_warning
 
 if (( ${+commands[ccache]} )) {
   log_debug "Found ccache at ${commands[ccache]}"
 
-  ccache --set-config=run_second_cpp=true
+  local ccache_version=$(ccache --version | head -1 | cut -d ' ' -f 3)
+  if ! is-at-least 4.12 ${ccache_version}; then
+    ccache --set-config=run_second_cpp=true
+  fi
+
   ccache --set-config=direct_mode=true
   ccache --set-config=inode_cache=true
   ccache --set-config=compiler_check=content

cmake/macos/resources/ccache-launcher-c.in

@@ -4,7 +4,6 @@ if [[ "$1" == "${CMAKE_C_COMPILER}" ]] ; then
     shift
 fi
 
-export CCACHE_CPP2=true
 export CCACHE_DEPEND=true
 export CCACHE_DIRECT=true
 export CCACHE_FILECLONE=true

cmake/macos/resources/ccache-launcher-cxx.in

@@ -4,7 +4,6 @@ if [[ "$1" == "${CMAKE_CXX_COMPILER}" ]] ; then
     shift
 fi
 
-export CCACHE_CPP2=true
 export CCACHE_DEPEND=true
 export CCACHE_DIRECT=true
 export CCACHE_FILECLONE=true