Refactor action to typescript (#226)

* Refactor to typescript (config part)

* Refactor to typescript (convert extensions, minor fixes)

* Refactor to typescript (move from `action` to `dist`)

* Re-enable integrity-check for dist index.js

* Fix all tests and lints

* fix parsing major versions

* Test patch level to be digits only

* debug

* debug

* uncache

* manual compile

* debug

* debug

* Debug

* Build lib - doh

* remove diff check

* Make kubernetes workflow manual

* Properly generate 3 digit for simple major tags

* Remove ts-ignore

* re-enable cache

src/model/output.test.ts

@@ -0,0 +1,9 @@
+import Output from './output';
+
+describe('Output', () => {
+  describe('setBuildVersion', () => {
+    it('does not throw', async () => {
+      await expect(Output.setBuildVersion('1.0.0')).resolves.not.toThrow();
+    });
+  });
+});