chore(build.sh): update go version for loongarch abi1.0

Signed-off-by: Yinan Qin <elysia-best@simplelinux.cn.eu.org>

Author: elysia-best

build.sh

@@ -289,7 +289,7 @@ BuildRelease() {
 BuildLoongGLIBC() {
   local target_abi="$2"
   local output_file="$1"
-  local oldWorldGoVersion="1.25.11"
+  local oldWorldGoVersion="1.26.4"
   local loong_tags
   loong_tags=$(GetBuildTagsForTarget "linux-loong64")