update container version to v45

This version includes a fix [1] on network problem of riscv64 QEMU VM.

[1] rust-vmm/rust-vmm-container#116

Signed-off-by: Ruoqing He <heruoqing@iscas.ac.cn>

.buildkite/autogenerate_pipeline.py

@@ -60,7 +60,7 @@
 
 # This represents the version of the rust-vmm-container used
 # for running the tests.
-CONTAINER_VERSION = "v44"
+CONTAINER_VERSION = "v45"
 # The suffix suggests that the dev image with `v{N}-riscv` tag is not to be
 # confused with real `riscv64` image (it's actually a `x86_64` image with
 # `qemu-system-riscv64` installed), since AWS yet has `riscv64` machines