[llvm] [CI] monolithic-linux improvements (PR #135499)

[Aiden Grossman via llvm-commits]

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@@ -52,6 +52,8 @@
     "clang": {"clang-tools-extra", "compiler-rt", "cross-project-tests"},
     "clang-tools-extra": {"libc"},
     "mlir": {"flang"},
+    # Test everyything if ci scripts are changed.
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boomanaiden154 wrote:

s/everyything/everything

https://github.com/llvm/llvm-project/pull/135499