CompatHelper: bump compat for "LLVM" to "3.0" (#125)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Project.toml

@@ -16,7 +16,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Adapt = "0.4, 1.0, 2.0"
 CUDA = "~1.0, ~1.1, ~1.2, 1.3"
 Cassette = "0.3.2"
-LLVM = "1.5"
+LLVM = "1.5, 3.0"
 MacroTools = "0.5"
 SpecialFunctions = "0.10"
 StaticArrays = "0.12"