intel-microcode: Make initrds reproducible

Signed-off-by: Reilly Brogan <reilly@reillybrogan.com>

Author: ReillyBrogan

i/intel-microcode/manifest.x86_64.bin

@@ -173,6 +173,6 @@
 		}
 	},
 	"source-name": "intel-microcode",
-	"source-release": "20",
+	"source-release": "21",
 	"source-version": "20260812"
 }

i/intel-microcode/manifest.x86_64.jsonc

@@ -3,7 +3,7 @@
 
 name        : intel-microcode
 version     : "20260812"
-release     : 20
+release     : 21
 homepage    : https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files
 upstreams   :
     - https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/refs/tags/microcode-20260812.tar.gz : 7614616d7b2988c278060486f47de716ef44c19317928cb45ac9e288fafd5bd1
@@ -29,7 +29,8 @@ install     : |
         cat ${i} >> kernel/x86/microcode/GenuineIntel.bin
     done
 
-    find . | cpio -o -H newc > ../intel-microcode.initrd
+    find . -exec touch -d @0 {} \;
+    find . | cpio -o -H newc --device-independent --reproducible > ../intel-microcode.initrd
     popd
     %install_file intel-microcode.initrd %(installroot)%(libdir)/kernel/initrd.d/00-intel-microcode.initrd