linux-firmware: bump to 20230919

Bump linux-firmware to a tagged version again.

Change-Id: I65fcce7ed3ce0323e1504d339b349fc3a901bff7
Reviewed-on: https://review.monogon.dev/c/monogon/+/2209
Reviewed-by: Tim Windelschmidt <tim@monogon.tech>
Tested-by: Jenkins CI
diff --git a/WORKSPACE b/WORKSPACE
index 51e10da..a2c972a 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -200,7 +200,7 @@
 
 linux_firmware_external(
     name = "linux-firmware",
-    version = "f2eb058afc57348cde66852272d6bf11da1eef8f",
+    version = "20230919",
 )
 
 load("//third_party/intel_ucode:external.bzl", "intel_ucode_external")
diff --git a/third_party/linux-firmware/external.bzl b/third_party/linux-firmware/external.bzl
index 9437574..e9c1c9c 100644
--- a/third_party/linux-firmware/external.bzl
+++ b/third_party/linux-firmware/external.bzl
@@ -9,6 +9,7 @@
         # 2023-08-09 master for Inception (CVE-2023-20569) and
         # Phantom (CVE-2022-23825)
         "f2eb058afc57348cde66852272d6bf11da1eef8f": "fcd570b8b259049dd84a0326f17a313271962f806ca32dbd9e40cdd9079857d0",
+        "20230919": "1dac602218f83f2c81dd72e599ae6c926901b3d36babccce46cd84293a37e473",
     }
     all_content = """
 filegroup(name = "all_files", srcs = glob(["**"]), visibility = ["//visibility:public"])