add change information for PR#117813

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

config.example.toml

@@ -30,7 +30,7 @@
 #
 # If `change-id` does not match the version that is currently running,
 # `x.py` will prompt you to update it and check the related PR for more details.
-change-id = 116881
+change-id = 117813
 
 # =============================================================================
 # Tweaking how LLVM is compiled

src/bootstrap/src/lib.rs

@@ -124,6 +124,11 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[
         severity: ChangeSeverity::Warning,
         summary: "Default value of `download-ci-llvm` was changed for `codegen` profile.",
     },
+    ChangeInfo {
+        change_id: 117813,
+        severity: ChangeSeverity::Info,
+        summary: "Use of the `if-available` value for `download-ci-llvm` is deprecated; prefer using the new `if-unchanged` value.",
+    },
 ];
 
 /// Extra --check-cfg to add when building