Fix release_policy.md link
This commit fixes the link pointing to RELEASE_POLICY.md
from the snapshot-support.md file.
@@ -11,7 +11,7 @@ guest workload at that particular point in time.
### Supported platforms
-The Firecracker snapshot feature is in [developer preview](docs/RELEASE_POLICY.md)
+The Firecracker snapshot feature is in [developer preview](../RELEASE_POLICY.md)
on all CPU micro-architectures listed in [README](../README.md#supported-platforms)
except ARM which is not supported.
