ycb_django_pr11276

what a new run launched now would send

Use Python stdlib html.escape() to in django.utils.html.escape()
Description
	
The function django.utils.html.escape() partially duplicates the Python stdlib function html.escape(). We can replace this duplication with wider community developed version.
html.escape() has been available since Python 3.2:
​https://docs.python.org/3/library/html.html#html.escape
This function is also faster than Django's. As Python bug ​https://bugs.python.org/issue18020 concludes, using .replace() can be faster than .translate(). This function gets called numerous times when rendering templates. After making the change locally, I saw the following improvement:
master:
$ python -m timeit -s 'from django.utils.html import escape' 'escape(copyright)'
50000 loops, best of 5: 4.03 usec per loop
branch:
$ python -m timeit -s 'from django.utils.html import escape' 'escape(copyright)'
100000 loops, best of 5: 2.45 usec per loop
One small concern, html.escape() converts ' to &#x27 rather than &#39. These values are functionally equivalent HTML, but I'll mention it as a backwards incompatible change as the literal text has changed

Work only inside this repository checkout. Make the code change the task
describes, keeping the diff focused — no drive-by refactors.

When you are done, leave your changes committed or in the working tree;
they are collected automatically.

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