[SEDONA-514] Add RS_SetPixelType

[prantogg]

Did you read the Contributor Guide?

• Yes, I have read Contributor Rules and Contributor Development Guide

Is this PR related to a JIRA ticket?

• Yes, the URL of the associated JIRA ticket is https://issues.apache.org/jira/browse/SEDONA-514. The PR name follows the format [SEDONA-XXX] my subject.

What changes were proposed in this PR?

Adds raster operator, RS_SetPixelType.

• Returns a modified raster with the desired pixel data type.
• Maintains metadata and updates the noDataValue according to new pixel data type casting.

How was this patch tested?

• Passes new and existing tests

Did this PR include necessary documentation updates?

• Yes, I am adding a new API. I am using the current SNAPSHOT version number in since vX.Y.Z format.