init_build_environment: bump to gcc 10 for debian 11

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

Author: 1715173329

index.html

@@ -20,7 +20,7 @@
 1.7K May  8  2024 convert_translation.sh
 3.0K May  8  2024 create_acl_for_luci.sh
 3.7K May  8  2024 create_ucitrack_for_luci.sh
- 13K Aug 31 17:34 init_build_environment.sh
+ 13K Sep 12 20:56 init_build_environment.sh
  18K Jun  1  2023 LICENSE
 4.0K Feb  6  2025 maintainer-tools
 4.7K Feb  6  2025 maketag.sh

init_build_environment.sh

@@ -58,7 +58,7 @@ function check_system() {
 		;;
 	"bullseye")
 		BPO_FLAG="-t $VERSION_CODENAME-backports"
-		GCC_VERSION="9"
+		GCC_VERSION="10"
 		LLVM_VERSION="18"
 		UBUNTU_CODENAME="focal"
 		VERSION_PACKAGE="lib32gcc-s1 python2"