Merge pull request #84317 from valeriyvan/UTF8EncodingError

Fix typo in UTF8EncodingError

Author: Azoy

stdlib/public/core/UTF8EncodingError.swift

@@ -84,7 +84,7 @@ extension Unicode.UTF8 {
    unexpected continuation byte errors. The more semantically-rich
    classification is reported.
 
-   For example, a surrogate count point sequence `ED A0 80` will be reported
+   For example, a surrogate code point sequence `ED A0 80` will be reported
    as three `.surrogateCodePointByte` errors rather than a `.truncatedScalar`
    followed by two `.unexpectedContinuationByte` errors.