chore(deps): update deps/paho.mqtt.c digest to 6b1e202

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
deps/paho.mqtt.c	digest	7db2132 -> 6b1e202

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[marcfir]

@GoetzGoerisch The PR eclipse/paho.mqtt.c#1451 was approved. Now waiting for merge. Afterwards, we can go for the cpp version.