NEXT-9410 - Add target attribute to manufacturer link on product deta…

[t2oh4e]

…il page. Fixes #15.

1. What does this change do, exactly?

Opens the link to the manufacturer page in a new tab.

2. Describe each step to reproduce the issue or behaviour.

Visit a product detail page with a manufacturer that has a website. Click on the link. Before this change it opens in the same tab and "closes" the shop. After the change it will be opened in a new tab. See: https://vimeo.com/458894191/b47607ba55

3. Checklist

• I have written tests and verified that they fail without my change
• I have squashed any insignificant commits
• I have created a changelog file with all necessary information about my changes
• I have written or adjusted the documentation according to my changes
• This change has comments for package types, values, functions, and non-obvious lines of code
• I have read the contribution requirements and fulfil them.

[timoreddig]

Adding rel="noopener" or rel="noreferrer" to your target="_blank" links avoids performance and security issue: https://web.dev/external-anchors-use-rel-noopener/