init_build_environment: bump to gcc 10 for ubuntu 20.04

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
- 14K Sep 13 21:57 init_build_environment.sh
+ 14K Sep 29 16:33 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

@@ -49,7 +49,7 @@ function check_system() {
 		VERSION_PACKAGE="python2"
 		;;
 	"focal")
-		GCC_VERSION="9"
+		GCC_VERSION="10"
 		LLVM_VERSION="18"
 		UBUNTU_CODENAME="$VERSION_CODENAME"
 		VERSION_PACKAGE="python2"