use poetry 1.5.1 to not have a conflict with other modules

easybuild/easyconfigs/l/loompy/loompy-3.0.7-foss-2023a.eb

@@ -8,7 +8,7 @@ description = "Python implementation of the Loom file format, an efficient file
 
 toolchain = {'name': 'foss', 'version': '2023a'}
 
-builddependencies = [('poetry', '1.7.1'), ]
+builddependencies = [('poetry', '1.5.1')]
 
 dependencies = [
     ('Python', '3.11.3'),