chore: exclude .cache from tsconfigs

Stray writers (Node compile-cache, corepack, pnpm RC) may drop files
into .cache/ at the repo root. The **/.cache/ gitignore prevents
those from being tracked, but tsc would otherwise still try to
type-check them. Sorted excludes alphabetically.

Author: jdalton

.config/tsconfig.check.json

@@ -13,5 +13,5 @@
     "verbatimModuleSyntax": false
   },
   "include": ["../src/**/*.ts", "../test/**/*.mts"],
-  "exclude": ["**/node_modules/**/*"]
+  "exclude": ["**/.cache/**", "**/node_modules/**/*"]
 }

tsconfig.json

@@ -14,5 +14,5 @@
     "verbatimModuleSyntax": false
   },
   "include": ["src/**/*.ts"],
-  "exclude": ["node_modules", "dist", "coverage", "test"]
+  "exclude": [".cache", "coverage", "dist", "node_modules", "test"]
 }