test: add ES 8.18.1 to test matrix (#13368)

Author: kezhenxu94

.github/workflows/skywalking.yaml

@@ -382,6 +382,9 @@ jobs:
           - name: Storage ES 8.9.0
             config: test/e2e-v2/cases/storage/es/e2e.yaml
             env: ES_VERSION=8.9.0
+          - name: Storage ES 8.9.0
+            config: test/e2e-v2/cases/storage/es/e2e.yaml
+            env: ES_VERSION=8.18.1
           - name: Storage OpenSearch 1.1.0
             config: test/e2e-v2/cases/storage/opensearch/e2e.yaml
             env: OPENSEARCH_VERSION=1.1.0
@@ -424,6 +427,9 @@ jobs:
           - name: TTL ES 8.8.1
             config: test/e2e-v2/cases/ttl/es/e2e.yaml
             env: ES_VERSION=8.8.1
+          - name: TTL ES 8.18.1
+            config: test/e2e-v2/cases/ttl/es/e2e.yaml
+            env: ES_VERSION=8.18.1
 
           - name: Event BanyanDB
             config: test/e2e-v2/cases/event/banyandb/e2e.yaml
@@ -445,6 +451,9 @@ jobs:
           - name: Log ES 8.8.1 Sharding
             config: test/e2e-v2/cases/log/es/es-sharding/e2e.yaml
             env: ES_VERSION=8.8.1
+          - name: Log ES 8.18.1 Sharding
+            config: test/e2e-v2/cases/log/es/es-sharding/e2e.yaml
+            env: ES_VERSION=8.18.1
           - name: Log BanyanDB
             config: test/e2e-v2/cases/log/banyandb/e2e.yaml
 
@@ -457,6 +466,9 @@ jobs:
           - name: Log FluentBit ES 8.8.1
             config: test/e2e-v2/cases/log/fluent-bit/e2e.yaml
             env: ES_VERSION=8.8.1
+          - name: Log FluentBit ES 8.18.1
+            config: test/e2e-v2/cases/log/fluent-bit/e2e.yaml
+            env: ES_VERSION=8.18.1
 
           - name: Trace Profiling BanyanDB
             config: test/e2e-v2/cases/profiling/trace/banyandb/e2e.yaml