[llvm] [mlir][bazel] Export headers either from :Transforms or :TransformUtils (PR #86819)

[Jordan Rupprecht via llvm-commits]

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@@ -7851,7 +7887,16 @@ cc_library(
     srcs = glob([
         "lib/Transforms/*.cpp",
     ]),
-    hdrs = glob(["include/mlir/Transforms/*.h"]),
+    hdrs = [
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rupprecht wrote:

(likewise, it'd be nice if this could remain as `glob(["include/mlir/Transforms/*.h"])`)

https://github.com/llvm/llvm-project/pull/86819