fix: packages/lib/package.json to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-EXPRESS-6474509
- https://snyk.io/vuln/SNYK-JS-KATEX-6483831
- https://snyk.io/vuln/SNYK-JS-KATEX-6483834
- https://snyk.io/vuln/SNYK-JS-KATEX-6483835
- https://snyk.io/vuln/SNYK-JS-KATEX-6483836

packages/lib/package.json

@@ -83,7 +83,7 @@
     "datauri": "4.1.0",
     "diff-match-patch": "1.0.5",
     "es6-promise-pool": "2.5.0",
-    "express": "4.18.2",
+    "express": "4.19.2",
     "fast-deep-equal": "3.1.3",
     "fast-xml-parser": "4.3.3",
     "follow-redirects": "1.15.5",
@@ -99,7 +99,7 @@
     "immer": "10.0.3",
     "js-yaml": "4.1.0",
     "json-stringify-safe": "5.0.1",
-    "katex": "0.16.9",
+    "katex": "0.16.10",
     "levenshtein": "1.0.5",
     "markdown-it": "14.0.0",
     "markdown-it-abbr": "2.0.0",