fix: resolve peer dependency conflicts (#77)

* fix: resolve peer dependency conflicts

- Downgrade marked ^18.0.5 -> ^15.0.0 to satisfy marked-terminal@7.3.0
  peer dependency (requires marked <16)
- Downgrade typescript ^6.0.3 -> ^5.9.3 to satisfy openapi-typescript@7.13.0
  peer dependency (requires ^5.x)

Fixes npm ERESOLVE warnings and npm ls 'invalid' flags on clean install.

* chore: update outdated comment, cast still needed for @types/marked-terminal

Author: marcusolsson

package-lock.json

@@ -52,7 +52,7 @@
     "lint-staged": "^17.0.4",
     "prettier": "^3.8.3",
     "tsx": "^4.19.3",
-    "typescript": "^6.0.3",
+    "typescript": "^5.9.3",
     "typescript-eslint": "^8.59.3",
     "vitest": "^4.1.8"
   },
@@ -66,7 +66,7 @@
     "fs-extra": "^11.3.0",
     "globals": "^17.6.0",
     "jsonc-parser": "^3.3.1",
-    "marked": "^18.0.5",
+    "marked": "^15.0.0",
     "marked-terminal": "^7.3.0",
     "open": "^11.0.0",
     "openapi-fetch": "^0.17.0",

package.json

@@ -3,7 +3,7 @@ import { marked } from 'marked';
 import { markedTerminal } from 'marked-terminal';
 
 // Configure marked to use the terminal renderer
-// @types/marked-terminal is outdated for marked v18; cast to suppress type error
+// @types/marked-terminal is outdated; cast to suppress type error
 marked.use(
   markedTerminal({
     blockquote: chalk.gray.italic,