Use consistent mlog formatting with the ConfigTool dependency helpers

This just adds more consistent use of mlog.bold and mlog.red/green for
ConfigTool based dependencies.

mesonbuild/dependencies/base.py

@@ -284,17 +284,18 @@ class ConfigToolDependency(ExternalDependency):
         """Helper method to print messages about the tool."""
         if self.config is None:
             if version is not None:
-                mlog.log('found {} {!r} but need:'.format(self.tool_name, version),
-                         req_version)
+                mlog.log('Found', mlog.bold(self.tool_name), repr(version),
+                         mlog.red('NO'), '(needed', req_version, ')')
             else:
-                mlog.log("No {} found; can't detect dependency".format(self.tool_name))
-            mlog.log('Dependency {} found:'.format(self.name), mlog.red('NO'))
+                mlog.log('Found', mlog.bold(self.tool_name), repr(req_version),
+                         mlog.red('NO'))
+            mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.red('NO'))
             if self.required:
                 raise DependencyException('Dependency {} not found'.format(self.name))
             return False
         mlog.log('Found {}:'.format(self.tool_name), mlog.bold(shutil.which(self.config)),
                  '({})'.format(version))
-        mlog.log('Dependency {} found:'.format(self.name), mlog.green('YES'))
+        mlog.log('Dependency', mlog.bold(self.name), 'found:', mlog.green('YES'))
         return True
 
     def get_config_value(self, args, stage):

run_unittests.py

@@ -1741,7 +1741,7 @@ class FailureTests(BasePlatformTests):
             raise unittest.SkipTest('wx-config or wx-config-3.0 found')
         self.assertMesonRaises("dependency('wxwidgets')", self.dnf)
         self.assertMesonOutputs("dependency('wxwidgets', required : false)",
-                                "No wx-config found;")
+                                "Dependency .*WxWidgets.* found: .*NO.*")
 
     def test_wx_dependency(self):
         if not shutil.which('wx-config-3.0') and not shutil.which('wx-config'):