Update dependency supports-color to v7 (#43064) (#78701)

# Conflicts:
#	packages/kbn-es-query/package.json
#	packages/kbn-i18n/package.json
#	packages/kbn-interpreter/package.json
#	yarn.lock

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

packages/kbn-i18n/package.json

@@ -20,7 +20,7 @@
     "@types/react-intl": "^2.3.15",
     "del": "^5.1.0",
     "getopts": "^2.2.4",
-    "supports-color": "^6.1.0",
+    "supports-color": "^7.0.0",
     "typescript": "4.0.2"
   },
   "dependencies": {

packages/kbn-interpreter/package.json

@@ -29,7 +29,7 @@
     "pegjs": "0.10.0",
     "sass-loader": "^8.0.2",
     "style-loader": "^1.1.3",
-    "supports-color": "^5.5.0",
+    "supports-color": "^7.0.0",
     "url-loader": "2.2.0",
     "webpack": "^4.41.5",
     "webpack-cli": "^3.3.10"