Add blurb

Author: mdboom

Misc/NEWS.d/next/Core and Builtins/2022-08-25-10-19-34.gh-issue-96268.AbYrLB.rst

@@ -0,0 +1,11 @@
+Loading a file with invalid UTF-8 will now report the broken character at
+the correct location.
+
+#.. section: Library #.. section: Documentation #.. section: Tests #..
+section: Build #.. section: Windows #.. section: macOS #.. section: IDLE #..
+section: Tools/Demos #.. section: C API
+
+# Write your Misc/NEWS entry below.  It should be a simple ReST paragraph. #
+Don't start with "- Issue #<n>: " or "- gh-issue-<n>: " or that sort of
+stuff.
+###########################################################################