[clang-tools-extra] [clang-tidy][NFC] Enable `readability-avoid-return-with-void-value` check in the codebase (PR #151356)

[Baranov Victor via cfe-commits]

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@@ -577,19 +579,26 @@ void NarrowingConversionsCheck::handleImplicitCast(
   SourceLocation SourceLoc = Lhs.getExprLoc();
   switch (Cast.getCastKind()) {
   case CK_BooleanToSignedIntegral:
-    return handleBooleanToSignedIntegral(Context, SourceLoc, Lhs, Rhs);
+    handleBooleanToSignedIntegral(Context, SourceLoc, Lhs, Rhs);
+    break;
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vbvictor wrote:

Could we `return` instead of `break` here everywhere?
With `break`, I still need to check the end of `switch` to see if there is any more code in the function. With `return` I don't care about code after `switch`.

https://github.com/llvm/llvm-project/pull/151356