pkg/util/pointer: Update int pointer functions

* Implement `Int64Ptr` function
* Replace per module functions of `int(32|64)?` --> `*int(32|64)?`
* Update bazel rules

pkg/util/pointer/pointer.go

@@ -48,8 +48,12 @@ func AllPtrFieldsNil(obj interface{}) bool {
 
 // Int32Ptr returns a pointer to an int32
 func Int32Ptr(i int32) *int32 {
-	o := i
-	return &o
+	return &i
+}
+
+// Int64Ptr returns a pointer to an int64
+func Int64Ptr(i int64) *int64 {
+	return &i
 }
 
 // Int32PtrDerefOr dereference the int32 ptr and returns it i not nil,
@@ -63,6 +67,5 @@ func Int32PtrDerefOr(ptr *int32, def int32) int32 {
 
 // BoolPtr returns a pointer to a bool
 func BoolPtr(b bool) *bool {
-	o := b
-	return &o
+	return &b
 }