Remove dependency on the runner's volume (#244)

* bump actions

* experiment using init container to prepare working environment

* rm script before continuing

* fix

* Update packages/k8s/src/hooks/run-script-step.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* leverage exec stat instead of printf

* npm update

* document the new constraint

---------

Co-authored-by: DenisPalnitsky <DenisPalnitsky@users.noreply.github.com>

packages/k8s/tests/e2e-test.ts

@@ -39,8 +39,7 @@ describe('e2e', () => {
     await expect(
       runScriptStep(
         scriptStepData.args as RunScriptStepArgs,
-        prepareJobOutputData.state,
-        null
+        prepareJobOutputData.state
       )
     ).resolves.not.toThrow()