MAINT: bump minimum required pyproject-metadata version to 0.8.0

Author: dnicolodi

pyproject.toml

@@ -9,7 +9,7 @@ requires = [
   'meson >= 0.63.3; python_version < "3.12"',
   'meson >= 1.2.3; python_version >= "3.12"',
   'packaging >= 19.0',
-  'pyproject-metadata >= 0.7.1',
+  'pyproject-metadata >= 0.8.0',
   'tomli >= 1.0.0; python_version < "3.11"',
 ]
 
@@ -36,7 +36,7 @@ dependencies = [
   'meson >= 0.63.3; python_version < "3.12"',
   'meson >= 1.2.3; python_version >= "3.12"',
   'packaging >= 19.0',
-  'pyproject-metadata >= 0.7.1',
+  'pyproject-metadata >= 0.8.0',
   'tomli >= 1.0.0; python_version < "3.11"',
 ]