support rand_gamma on spark 3.4+

[zeotuan]

• Make rand_gamma work against spark 3.4+
• Test native (unsafe) project against spark 3.4+
• Test core daria project against spark 3.4+

[alfonsorr]

LGTM but one thing, did you try to use the public method to allow the use of expressions? I mean not only use literals, like this:

.select(randGamma(col("shape"), col("scale")))

It only requires adding it to functions and makes it more open.

[zeotuan]

LGTM but one thing, did you try to use the public method to allow the use of expressions? I mean not only use literals, like this:

.select(randGamma(col("shape"), col("scale")))

It only requires adding it to functions and makes it more open.

Good Idea. I have added version that support expression for shape and scale

[alfonsorr]

Now it looks awsome!