deb: disable gcc-15 test for CI

src/deb/mod.rs

@@ -277,6 +277,11 @@ mod tests {
     /// The GCC package is complex and hard to build, with specific stages
     /// and system-bound scripts. Building it requires specific things that
     /// we want to ensure are not broken.
+    /// NOTE: Ideally, we want to run this in CI, but it takes more than 20h
+    /// to fully build the gcc-15 package on an amd64 builder, which is too
+    /// much time.
+    #[ignore]
+    #[cfg(target_arch = "x86_64")]
     #[tokio::test]
     #[test_log::test]
     #[serial]