chore: bump versions of command-chain scripts for openvino ai plugins support (#323)

Author: frenchwr

snap/snapcraft.yaml

@@ -267,15 +267,15 @@ parts:
     plugin: dump
     source-type: git
     source: https://github.com/canonical/openvino-toolkit-snap.git
-    source-tag: 2024.5.0-0
+    source-tag: 2024.6.0-1
     stage:
       - command-chain/openvino-launch
 
   command-chain-openvino-ai-plugins-gimp:
     plugin: dump
     source-type: git
     source: https://github.com/canonical/openvino-ai-plugins-gimp-snap.git
-    source-commit: 7d20266d73ba25cd49aae55f0a2157911fb6bc75  # TODO: update to tagged release once upstream branch merged
+    source-tag: v2.99-R3.1-1
     stage:
       - command-chain/openvino-ai-plugins-gimp-launch