Merge branch 'renovate/pip-tools-7.x' into 'main'

Update dependency pip-tools to v7.3.0

See merge request !62

requirements.in

@@ -3,4 +3,4 @@ python-dateutil==2.8.2
 python-gitlab==3.15.0
 requests==2.31.0
 # Needed for renovatebot
-pip-tools==7.2.0
+pip-tools==7.3.0

requirements.txt

@@ -16,7 +16,7 @@ idna==3.4
     # via requests
 packaging==23.1
     # via build
-pip-tools==7.2.0
+pip-tools==7.3.0
     # via -r requirements.in
 prometheus-client==0.17.1
     # via -r requirements.in