Add SameSite finder workflow

[isacaya]

Extract and log the SameSite attribute, which is essential to check when looking for CSRF vulnerabilities. This can help users who have to test for a large number of vulnerabilities to stay on top of them.

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Please ensure your pull request adheres to the following guidelines:

• [x] Follow the same folder structure as other workflows (see template).
• [x] Has a proper author name and workflow description.
• [x] If using compiled code in JS Nodes, provide the source code for each.
• [x] If using a 3rd party library, include its license as a comment in the source code.

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