Upgrade poetry to latest (2.2.1) (#2535)

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# Rationale for this change

## Are these changes tested?

```bash
make test
```
Successfully runs.

## Are there any user-facing changes?

None.
For maintainers, upgrade using:
```bash
make install-poetry
```

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Author: Grégoire Clément

Makefile

@@ -25,7 +25,7 @@ KEEP_COMPOSE ?= 0  # Set KEEP_COMPOSE=1 to keep containers after integration tes
 
 PIP = python -m pip
 
-POETRY_VERSION = 2.1.4
+POETRY_VERSION = 2.2.1
 POETRY = python -m poetry
 
 ifeq ($(COVERAGE),1)