Update dependency importlib-metadata to v9

Update importlib-metadata from 4.13.0 to 9.0.0

Change-type: patch

Author: balena-renovate[bot]

requirements.txt

@@ -1,6 +1,6 @@
 click==8.3.3
 Flask==2.3.3
-importlib-metadata==4.13.0
+importlib-metadata==9.0.0
 itsdangerous==2.2.0
 Jinja2==3.1.6
 MarkupSafe==2.1.5