refactor(symfony-process): extract symfony/process into the shirabe-symfony-process crate

Move `Symfony\Component\Process` out of shirabe-external-packages and
into its own crate, so the path is `shirabe_symfony_process::Process`
instead of `shirabe_external_packages::symfony::process::Process`.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/crates/shirabe-symfony-process/src/exception.rs b/crates/shirabe-symfony-process/src/exception.rs
new file mode 100644
index 00000000..689a64b6
--- /dev/null
+++ b/crates/shirabe-symfony-process/src/exception.rs
@@ -0,0 +1,13 @@
+pub mod invalid_argument_exception;
+pub mod logic_exception;
+pub mod process_failed_exception;
+pub mod process_signaled_exception;
+pub mod process_timed_out_exception;
+pub mod runtime_exception;
+
+pub use invalid_argument_exception::*;
+pub use logic_exception::*;
+pub use process_failed_exception::*;
+pub use process_signaled_exception::*;
+pub use process_timed_out_exception::*;
+pub use runtime_exception::*;