[gha] bump open-edge-platform/orch-ci/.github/workflows/post-merge.yml from 072332a8215754f6496bf97c8f3c7559dba5fdc1 to 5d5d08245bb57937b3bee043e5fb5e7590098051

[gha] bump open-edge-platform/orch-ci/.github/workflows/post-merge.yml from 072332a8215754f6496bf97c8f3c7559dba5fdc1 to 5d5d08245bb57937b3bee043e5fb5e7590098051 #763