t/linux-firmware: update to master

Contains new AMD microcode with mitigations for
Inception (CVE-2023-20569) and Phantom (CVE-2022-23825).

Change-Id: If6e26b9f1a96bf6e50c3c9f74bb60ad41c4d441f
Reviewed-on: https://review.monogon.dev/c/monogon/+/2049
Tested-by: Jenkins CI
Reviewed-by: Leopold Schabel <leo@monogon.tech>
diff --git a/WORKSPACE b/WORKSPACE
index 2116738..424cb4b 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -140,7 +140,7 @@
 
 linux_firmware_external(
     name = "linux-firmware",
-    version = "b6ea35ff6b9869470a0c68813f1668acb3d356a8",
+    version = "f2eb058afc57348cde66852272d6bf11da1eef8f",
 )
 
 load("//third_party/intel_ucode:external.bzl", "intel_ucode_external")