fix: add delay to pollForProcessingImage (#188)

# Description

Adds back the delay that is present in next-cloudinary, to prevent spam
requests

## Type of change

<!-- Please select all options that are applicable. -->

- [x] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] Fix or improve the documentation
- [ ] This change requires a documentation update

# Checklist

<!-- These must all be followed and checked. -->

- [x] I have followed the contributing guidelines of this project as
mentioned in [CONTRIBUTING.md](/CONTRIBUTING.md)
- [ ] I have created an
[issue](https://github.com/colbyfayock/cloudinary-util/issues) ticket
for this PR
- [x] I have checked to ensure there aren't other open [Pull
Requests](https://github.com/colbyfayock/cloudinary-util/pulls) for the
same update/change?
- [x] I have performed a self-review of my own code
- [x] I have run tests locally to ensure they all pass
- [x] I have commented my code, particularly in hard-to-understand areas
- [x] I have made corresponding changes needed to the documentation

Author: ghostdevv

packages/util/src/lib/cloudinary.ts

@@ -175,6 +175,7 @@ export async function pollForProcessingImage(
     });
   } catch (e: any) {
     if (e.status === 423) {
+      await new Promise((resolve) => setTimeout(resolve, 250));
       return await pollForProcessingImage(options);
     }