add expose-gc package

packages/app/package.json

@@ -99,6 +99,7 @@
     "esa-node": "^0.2.2",
     "escape-string-regexp": "=4.0.0",
     "eslint-plugin-regex": "^1.8.0",
+    "expose-gc": "^1.0.0",
     "express": "^4.16.1",
     "express-bunyan-logger": "^1.3.3",
     "express-mongo-sanitize": "^2.1.0",
@@ -190,7 +191,6 @@
     "diff2html": "^3.1.2",
     "eazy-logger": "^3.1.0",
     "emoji-mart": "npm:panta82-emoji-mart@^3.0.1",
-    "markdown-it-emoji-mart": "^0.1.1",
     "eslint-plugin-cypress": "^2.12.1",
     "eslint-plugin-regex": "^1.8.0",
     "file-loader": "^5.0.2",
@@ -208,6 +208,7 @@
     "markdown-it-blockdiag": "^1.1.1",
     "markdown-it-drawio-viewer": "^1.3.1",
     "markdown-it-emoji": "^1.4.0",
+    "markdown-it-emoji-mart": "^0.1.1",
     "markdown-it-footnote": "^3.0.1",
     "markdown-it-mathjax": "^2.0.0",
     "markdown-it-named-headers": "^0.0.4",

yarn.lock

@@ -9448,6 +9448,11 @@ expect@^27.0.6:
     jest-message-util "^27.0.6"
     jest-regex-util "^27.0.6"
 
+expose-gc@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/expose-gc/-/expose-gc-1.0.0.tgz#ba0e825b390cc3e7ab38fc5b945cd2b4018584b3"
+  integrity sha512-ecOHrdm+zyOCGIwX18/1RHkUWgxDqGGRiGhaNC+42jReTtudbm2ID/DMa/wpaHwqy5YQHPZvsDqRM2F2iZ0uVA==
+
 express-bunyan-logger@^1.3.3:
   version "1.3.3"
   resolved "https://registry.yarnpkg.com/express-bunyan-logger/-/express-bunyan-logger-1.3.3.tgz#e76d9b3d598ca83a69b692a9839c7453d01b5010"