Auto merge of #116493 - compiler-errors:coinductive-cycle-lint, r=lcnr

Bump `COINDUCTIVE_OVERLAP_IN_COHERENCE` to deny + warn in deps

1.73 is the first place this shows up in stable (recall that there was only 1 regression), so let's bump this to deny on nightly.

r? lcnr

compiler/rustc_lint_defs/src/builtin.rs

@@ -4449,11 +4449,11 @@ declare_lint! {
     /// on itself), the blanket impl is not considered to hold for `u8`. This will
     /// change in a future release.
     pub COINDUCTIVE_OVERLAP_IN_COHERENCE,
-    Warn,
+    Deny,
     "impls that are not considered to overlap may be considered to \
     overlap in the future",
     @future_incompatible = FutureIncompatibleInfo {
-        reason: FutureIncompatibilityReason::FutureReleaseErrorDontReportInDeps,
+        reason: FutureIncompatibilityReason::FutureReleaseErrorReportInDeps,
         reference: "issue #114040 <https://github.com/rust-lang/rust/issues/114040>",
     };
 }