chore: udpate usage in techdocs-common too to avoid pulling in two versions of js-yam

packages/techdocs-common/package.json

@@ -48,7 +48,7 @@
     "express": "^4.17.1",
     "fs-extra": "^9.0.1",
     "git-url-parse": "^11.4.3",
-    "js-yaml": "^3.14.0",
+    "js-yaml": "^4.0.0",
     "mime-types": "^2.1.27",
     "mock-fs": "^4.13.0",
     "recursive-readdir": "^2.2.2",
@@ -58,7 +58,7 @@
     "@backstage/cli": "^0.4.4",
     "@types/fs-extra": "^9.0.5",
     "@types/git-url-parse": "^9.0.0",
-    "@types/js-yaml": "^3.12.5",
+    "@types/js-yaml": "^4.0.0",
     "@types/mime-types": "^2.1.0",
     "@types/mock-fs": "^4.13.0",
     "@types/recursive-readdir": "^2.2.0"