Bump pdfmake from 0.3.3 to 0.3.4 in /tcms

Bumps [pdfmake](https://github.com/bpampuch/pdfmake) from 0.3.3 to 0.3.4.
- [Release notes](https://github.com/bpampuch/pdfmake/releases)
- [Changelog](https://github.com/bpampuch/pdfmake/blob/master/CHANGELOG.md)
- [Commits](bpampuch/pdfmake@0.3.3...0.3.4)

---
updated-dependencies:
- dependency-name: pdfmake
  dependency-version: 0.3.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

tcms/package-lock.json

@@ -6,7 +6,7 @@
     "html5sortable": "0.14.0",
     "jszip": "3.10.1",
     "patternfly": "3.59.5",
-    "pdfmake": "0.3.3",
+    "pdfmake": "0.3.4",
     "simplemde": "1.11.2",
     "typeahead.js": "0.11.1"
   },