.github: Add QEMU stable tarball for zephyr

Required by MIPS.

Signed-off-by: Jiaxun Yang <[email protected]>

Author: FlyGoat

.github/zephyr-files.txt

@@ -17,4 +17,4 @@ https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.17.0/toolchain
 https://github.com/zephyrproject-rtos/sdk-ng/releases/download/v0.17.0/hosttools_linux-x86_64.tar.xz
 https://github.com/picolibc/picolibc-ci-tools/releases/download/v1/qemu-9.0.linux-amd64.tar.xz
 https://github.com/picolibc/picolibc-ci-tools/releases/download/v1/qemu-arc.linux-amd64.tar.xz
-
+https://github.com/FlyGoat/picolibc-ci-tools/releases/download/v20250110/qemu-stable.linux-amd64.tar.xz