fix(deps): update dependency marked to v12

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.changeset/renovate-6a81dd3.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-adr-backend': patch
+---
+
+Updated dependency `marked` to `^12.0.0`.

plugins/adr-backend/package.json

@@ -41,7 +41,7 @@
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "luxon": "^3.0.0",
-    "marked": "^4.0.14",
+    "marked": "^12.0.0",
     "node-fetch": "^2.6.5",
     "winston": "^3.2.1",
     "yn": "^4.0.0"

yarn.lock

@@ -4230,7 +4230,7 @@ __metadata:
     express: ^4.17.1
     express-promise-router: ^4.1.0
     luxon: ^3.0.0
-    marked: ^4.0.14
+    marked: ^12.0.0
     node-fetch: ^2.6.5
     supertest: ^6.1.3
     winston: ^3.2.1
@@ -34176,6 +34176,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"marked@npm:^12.0.0":
+  version: 12.0.0
+  resolution: "marked@npm:12.0.0"
+  bin:
+    marked: bin/marked.js
+  checksum: 973e803debf7eca946213cd583792c2968ecab1b6698653604272d5406f9f07375a4865a7a28633a7200c8a4682761f8d866198fb36c10c686e3bda3a9b36fc9
+  languageName: node
+  linkType: hard
+
 "marked@npm:^4.0.14":
   version: 4.3.0
   resolution: "marked@npm:4.3.0"