Fix inputs on workflow dispatch

Author: chainchad

.github/workflows/release-notifications.yml

@@ -41,14 +41,16 @@ on:
         description: "URL for the changelog entry"
         required: true
         type: string
-      docker-image-name:
-        description: "Fully qualified docker image name"
-        required: true
+      docker-image-names:
+        description: |
+          Optional multi-line string of docker image names with their digests.
+          Each line should be in the format: `image_name|digest`
+
+          Example:
+            public.ecr.aws/chainlink/ccip:2.34.1-ccip-beta.3|sha256:5f218f...
+            public.ecr.aws/chainlink/chainlink:2.34.1-beta.3|sha256:b48d5b...
         type: string
-      docker-image-digest:
-        description: "OCI image digest"
         required: true
-        type: string
 
 permissions: {}