[fix] Add OpenSSL ini config for PHP with custom cafile path

[subiabre]

Solution for #43, a path is set to use a custom cafile for OpenSSL.

@davidbeig can you help me put the code in place to get the file from https://curl.se/docs/caextract.html in the docker build step? Thank you!

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[subiabre]

@davidbeig SSL works fine on the pipeline, maybe we can leave the custom cafile step for dev.