proxy: Move to mockery for generating mocks

To align with what we're using everywhere else.

services/settings/pkg/settings/mocks/Manager.go

@@ -1,4 +1,4 @@
-// Code generated by mockery v2.10.4. DO NOT EDIT.
+// Code generated by mockery v2.14.0. DO NOT EDIT.
 
 package mocks
 
@@ -362,3 +362,18 @@ func (_m *Manager) WriteValue(value *v0.Value) (*v0.Value, error) {
 
 	return r0, r1
 }
+
+type mockConstructorTestingTNewManager interface {
+	mock.TestingT
+	Cleanup(func())
+}
+
+// NewManager creates a new instance of Manager. It also registers a testing interface on the mock and a cleanup function to assert the mocks expectations.
+func NewManager(t mockConstructorTestingTNewManager) *Manager {
+	mock := &Manager{}
+	mock.Mock.Test(t)
+
+	t.Cleanup(func() { mock.AssertExpectations(t) })
+
+	return mock
+}