Support v7.7.0 compatibility

package.json

@@ -1,12 +1,12 @@
 {
   "name": "sql-kibana",
-  "version": "1.7.0.0",
+  "version": "1.8.0.0",
   "description": "SQL Workbench",
   "main": "index.js",
   "license": "Apache-2.0",
   "homepage": "https://github.com/opendistro-for-elasticsearch/sql-kibana-plugin",
   "kibana": {
-    "version": "7.6.1",
+    "version": "7.7.0",
     "templateVersion": "6.3.3"
   },
   "repository": {

yarn.lock

@@ -6272,7 +6272,7 @@ node-releases@^1.1.53:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.55.tgz#8af23b7c561d8e2e6e36a46637bab84633b07cee"
   integrity sha512-H3R3YR/8TjT5WPin/wOoHOUPHgvj8leuU/Keta/rwelEQN9pA/S2Dx8/se4pZ2LBxSd0nAGzsNzhqwa77v7F1w==
 
-node-sass@^4.9.4:
+node-sass@^4.13.1:
   version "4.14.1"
   resolved "https://registry.yarnpkg.com/node-sass/-/node-sass-4.14.1.tgz#99c87ec2efb7047ed638fb4c9db7f3a42e2217b5"
   integrity sha512-sjCuOlvGyCJS40R8BscF5vhVlQjNN069NtQ1gSxyK1u9iqvn6tf7O1R4GNowVZfiZUCRt5MmMs1xd+4V/7Yr0g==
@@ -8997,7 +8997,7 @@ webpack-sources@^1.4.0, webpack-sources@^1.4.1:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^4.41.0:
+webpack@^4.41.5:
   version "4.43.0"
   resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.43.0.tgz#c48547b11d563224c561dad1172c8aa0b8a678e6"
   integrity sha512-GW1LjnPipFW2Y78OOab8NJlCflB7EFskMih2AHdvjbpKMeDJqEgSx24cXXXiPS65+WSwVyxtDsJH6jGX2czy+g==