Use h2 tags for issue templates
Currently the issue title is rendered as an H1 tag, and the templates use h3 tags for headings within the issue description. This results in html with no h2 tags, which is bad practice for accessibility.
Currently the issue title is rendered as an H1 tag, and the templates use h3 tags for headings within the issue description. This results in html with no h2 tags, which is bad practice for accessibility.