fix: extra path lost in composite actions (#1531)

* test: define test case of path issues

Test case for #1528

* test: add multi arch grep

* fix: Always use current ExtraPath

* replace setup-node with run step

* Update push.yml

* yaml mistake

Co-authored-by: Markus Wolf <mail@markus-wolf.de>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

pkg/runner/runner_test.go

@@ -201,6 +201,7 @@ func TestRunEvent(t *testing.T) {
 		{"../model/testdata", "strategy", "push", "", platforms, secrets}, // TODO: move all testdata into pkg so we can validate it with planner and runner
 		// {"testdata", "issue-228", "push", "", platforms, }, // TODO [igni]: Remove this once everything passes
 		{"../model/testdata", "container-volumes", "push", "", platforms, secrets},
+		{workdir, "path-handling", "push", "", platforms, secrets},
 	}
 
 	for _, table := range tables {