chore: update apex lib

Author: soridalac

package.json

@@ -5,7 +5,7 @@
   "author": "Salesforce",
   "bugs": "https://github.com/forcedotcom/cli/issues",
   "dependencies": {
-    "@salesforce/apex-node": "^8.3.7",
+    "@salesforce/apex-node": "^8.4.0",
     "@salesforce/core": "^8.23.4",
     "@salesforce/kit": "^3.2.3",
     "@salesforce/sf-plugins-core": "^12.2.5",

yarn.lock

@@ -1493,10 +1493,10 @@
   resolved "https://registry.yarnpkg.com/@rtsao/scc/-/scc-1.1.0.tgz#927dd2fae9bc3361403ac2c7a00c32ddce9ad7e8"
   integrity sha512-zt6OdqaDoOnJ1ZYsCYGt9YmWzDXl4vQdKTyJev62gFhRGKdx7mcT54V9KIjg+d2wi9EXsPvAPKe7i7WjfVWB8g==
 
-"@salesforce/apex-node@^8.3.7":
-  version "8.3.7"
-  resolved "https://registry.yarnpkg.com/@salesforce/apex-node/-/apex-node-8.3.7.tgz#dadd3efccf86546ee91ae00f62e9885119193ff2"
-  integrity sha512-Nwyza/zw8JOeCE+nC07zpKQT5Z1hLxVxsVlT4Xd6uq7Oj3GnhTDCXy201vxjRATPySulPyj/KpCQxYliO+H3fw==
+"@salesforce/apex-node@^8.4.0":
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/@salesforce/apex-node/-/apex-node-8.4.0.tgz#20faa5e7f606f7c0ccb5bd9108415691072f7f84"
+  integrity sha512-zmXfNodRaE8R3tvjSf93db4V2nz7fXD+G9xEaAjLTR+LajNS84SG0bgdKOmD3PT7DHQdyn4r3OaNObTPg6kBEA==
   dependencies:
     "@salesforce/core" "^8.23.4"
     "@salesforce/kit" "^3.2.4"