fix(exports): stabilize published types and compatibility with updated dependencies

test/fixtures/strict-consumer/index.ts

@@ -0,0 +1,7 @@
+import type { TPostingKey, TSKRType } from '@fin.cx/skr';
+
+const skrType: TSKRType = 'SKR03';
+const postingKey: TPostingKey = 40;
+
+void skrType;
+void postingKey;

test/fixtures/strict-consumer/tsconfig.json

@@ -0,0 +1,18 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "Bundler",
+    "strict": true,
+    "verbatimModuleSyntax": true,
+    "skipLibCheck": false,
+    "noEmit": true,
+    "ignoreDeprecations": "6.0",
+    "types": ["node"],
+    "baseUrl": ".",
+    "paths": {
+      "@fin.cx/skr": ["../../../dist_ts/index.d.ts"]
+    }
+  },
+  "include": ["./index.ts"]
+}