CompatHelper: bump compat for LLVM to 7, (keep existing compat) (#435)

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>
Co-authored-by: Tim Besard <tim.besard@gmail.com>

Author: 3 people

Project.toml

@@ -33,7 +33,7 @@ ExprTools = "0.1"
 GPUArrays = "10"
 GPUCompiler = "0.23, 0.24, 0.25, 0.26"
 KernelAbstractions = "0.9.1"
-LLVM = "6"
+LLVM = "6, 7"
 NEO_jll = "=24.13.29138"
 Preferences = "1"
 SPIRV_LLVM_Translator_unified_jll = "0.4"