[llvm] [RISCV][GISEL] Add IRTranslation for insertelement with scalable vector type (PR #80377)

[Michael Maitland via llvm-commits]

================
@@ -0,0 +1,1941 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
----------------
michaelmaitland wrote:

Updated.

https://github.com/llvm/llvm-project/pull/80377