Fix .github/dependabot.yml (#5562)

## Which problem is this PR solving?
- Config is currently broken, but the change in #5560 removed one of the
errors

## Description of the changes
- Apply similar change to the other entries
- Fix image name for opensearch

## How was this change tested?
- cannot test it until merged

Signed-off-by: Yuri Shkuro <[email protected]>

.github/dependabot.yml

@@ -58,31 +58,25 @@ updates:
       - /docker-compose/elasticsearch/v8
     schedule:
       interval: daily
-    allow:
+    ignore:
       - dependency-name: "docker.elastic.co/elasticsearch/elasticsearch"
-    update-types:
-      - minor
-      - patch
+        update-types: [ "version-update:semver-major" ]
   - package-ecosystem: docker
     directories:
       - /docker-compose/opensearch/v1
       - /docker-compose/opensearch/v2
     schedule:
       interval: daily
-    allow:
-      - dependency-name: "docker.elastic.co/opensearch/opensearch"
-    update-types:
-      - minor
-      - patch
+    ignore:
+      - dependency-name: "opensearchproject/opensearch"
+        update-types: [ "version-update:semver-major" ]
   - package-ecosystem: docker
     directory: /docker-compose/kafka-integration-test
     schedule:
       interval: daily
-    allow:
+    ignore:
       - dependency-name: "bitnami/kafka"
-    update-types:
-      - minor
-      - patch
+        update-types: [ "version-update:semver-major" ]
   - package-ecosystem: docker
     directories:
       - /docker-compose/cassandra/v3