Fix markdown escape pipe character in table cell

[straight-shoota]

There is some disagreement between Markdown parsers about escaping pipe characters (|) inside a table cell. Python-markdown, which is used by our site generator mkdocs, considers a pipe inside a code span as escaped (`|`) (Python-Markdown/markdown#436). Most other Markdown parsers, including ones used in tooling (such as markdownlint) require explicit escaping (`\|`). Python-markdown would render the backslash:

This is a known interoperability issue based on different implementations of a Markdown parser (mkdocs/mkdocs#2761). There's no expectation for this to get fixed somewhow, so we can only apply a workaround to use code that different parsers agree upon: This patch replaces backticks with HTML <code> tags, for which all parsers require escaping the pipe character.

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[Fryguy]

I just saw this same issue over the weekend - glad to see it fixed.

[straight-shoota]

Yeah, I picked it up from a Discord conv. Shout out to @mjblack for noticing the issue.