Bump lodash from 4.17.15 to 4.17.19 in /ssrf_slack

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.15 to 4.17.19.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](lodash/lodash@4.17.15...4.17.19)

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

ssrf_slack/package-lock.json

@@ -11,7 +11,7 @@
   "author": "Ronnie Flathers (@ropnop)",
   "license": "ISC",
   "dependencies": {
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.19",
     "micro": "^9.3.3",
     "moment": "^2.22.2",
     "request-ip": "^2.1.1",