fix: clock issues with envd

This Firecracker version does not change the monotonic clock on snapshot
resume, helping with clock issues on sandbox creation.

Signed-off-by: Babis Chalios <babis.chalios@e2b.dev>

Author: bchalios

firecracker_versions.txt

@@ -4,4 +4,5 @@ v1.10.1_fb257a1 amd64
 v1.10.1_30cbb07 amd64
 v1.12.1_717921c amd64,arm64
 v1.12.1_a41d3fb amd64,arm64
+v1.12.1_210cbac amd64,arm64
 v1.14.1_af9c995 amd64,arm64