P2 877 fix jobs html

[andizer]

Summary

This PR can be summarized in the following changelog entry:

• [@yoast/schema-blocks] Provides a way to set the tagName that is used to render the value in the select instruction.
• [@yoast/schema-blocks] Removes the div as wrapping element of the value that is set in the date instruction.

Relevant technical choices:

Test instructions

This PR can be tested by following these steps:

• Test this together with https://github.com/Yoast/wordpress-seo-premium/pull/3297

Impact check

• This PR affects the following parts of the plugin, which may require extra testing:
  *

UI changes

• This PR changes the UI in the plugin. I have added the 'UI change' label to this PR.

Quality assurance

• I have tested this code to the best of my abilities
• I have added unittests to verify the code works as intended

Fixes #

[hansjovis]

CR: 👍

I did refactor the TagName a bit, I could not help myself.

Plus I removed an extra whitespace within a method call in a test.

(See the last two commits)

[johannadevos]

Acceptance: ✅ (see Yoast/wordpress-seo-premium#3297)