Changes in the jsxref macro

[pepelsbey]

Hey! Just a heads up for all authors that we’re implementing some changes to the {{jsxref(…)}} macro. The third argument is a number now. See PRs implementing the change:

• fix(jsxref): make $3 a number for all invocations content#33490
• fix(jsxref): make $3 a number for all invocations translated-content#20146