ci(toolchain): GCC updates to 13.3.Rel1 version

This patch updates to the latest GCC toolchain (13.3.Rel1)

Key additions packaged with GNU toolchain 13.3.Rel1:

* Updated GCC to source code based on version 13.3.
* Updated Binutils to source code based on version 2.42.
* Updated GDB version 14.

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: I52f99ba5abd187a04c4088771545120398c4b32e
diff --git a/utils.sh b/utils.sh
index 3b6ca06..32170fe 100644
--- a/utils.sh
+++ b/utils.sh
@@ -612,7 +612,7 @@
 docker_registry="${docker_registry:-}"
 
 # Define toolchain version and toolchain binary paths
-toolchain_version="13.2.Rel1"
+toolchain_version="13.3.rel1"
 
 aarch64_none_elf_dir="${nfs_volume}/pdsw/tools/arm-gnu-toolchain-${toolchain_version}-x86_64-aarch64-none-elf"
 aarch64_none_elf_prefix="aarch64-none-elf-"