fix: correct stale scummvm.zip and cpc464.rom hashes

RetroDECK had stale buildbot hash a17e0e01 for scummvm.zip
(from old 9.5MB build, current is 79MB) copied to cpc464.rom.
RomM had same stale hash. Updated to current verified values.
All 8 platforms now 100% OK, 0 untested.

platforms/retrodeck.yml

@@ -7938,13 +7938,15 @@ systems:
     - name: scummvm.zip
       destination: bios/scummvm.zip
       required: true
-      md5: a17e0e0150155400d8cced329563d9c8
+      md5: 368bdb1816a02640f873310faa9dedf7
+    # upstream fix: a17e0e0150155400d8cced329563d9c8 was stale buildbot hash
   amstrad-cpc:
     files:
     - name: cpc464.rom
       destination: bios/cpc464.rom
       required: false
-      md5: a17e0e0150155400d8cced329563d9c8
+      md5: a993f85b88ac4350cf4d41554e87fe4f
+    # upstream fix: a17e0e01... was copy-paste error from scummvm.zip entry
     - name: cpc664.rom
       destination: bios/cpc664.rom
       required: false

platforms/romm.yml

@@ -2071,10 +2071,11 @@ systems:
     - name: scummvm.zip
       destination: scummvm/scummvm.zip
       required: true
-      sha1: 718c1a00d38e0810a1ad0ffde79f73447f846f01
-      md5: a17e0e0150155400d8cced329563d9c8
-      crc32: a93f1c4b
-      size: 9523360
+      sha1: 320801896408d7c1566ce26dd5e4b5eb0f0caa6c
+      md5: 368bdb1816a02640f873310faa9dedf7
+      crc32: 52c47eb1
+      size: 79379908
+    # upstream fix: previous hashes from obsolete 9.5MB scummvm.zip build
   amstrad-cpc:
     files:
     - name: cpc464.rom