CON-1740 add a target attribute to image component

[djbeaumont]

What does this PR do? (please provide any background)

Adds a target attribute to the image component. This will allow us to have tile header images that when clicked on show a page in a new tab. This allows us to convert the static product tiles in TripApp to React.

What tests does this PR have?

New unit tests.

How can this be tested?

• Checkout branch CON-1740-2 on TripApp
• Run npm install to get the version of ui-toolkit from this PR
• Build ui-toolkit since we're not using the pre-built package: cd node_modules/@holidayextras/ui-toolkit && npm install && npm run build
• Go back to TripApp root: cd -
• Start TripApp with npm start
• Make a carpark search and look for a 'Taxi to the Airport' tile on the availability page
• Inspect the tile and see that it is React and that it is good
• Click on the tile image and see that you are taken to a landing page in a new tab

  Screenshots / Screencast

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• [x] I have checked our general contributing document and the project specific contributing document (if present) and I'm happy for this to be reviewed.

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• Witnessed the work behaving as expected (this could be on the author's machine or screencast).
• Checked for coding anti-patterns.
• Checked for appropriate test coverage.
• Checked all the tests are passing.

[ghost]

@djbeaumont, thanks for your PR! By analyzing the blame information on this pull request, we identified @jodiedoubleday, @jackdcrawford and @robhuzzey to be potential reviewers

[h0rhay]

taking 2️⃣

[h0rhay]

Yup, works for me, nice work 👍

[jodiedoubleday]

Yup all good

[Arditc]

Good job! :) 👍