Replace "expressions of interest" and other such things with explicit statements of consent to become an SRCF member

Putting the onus on prospective members to go through multiple onboarding steps is effectively shooting ourselves in the foot with regards to outreach/onboarding, but we also need to keep https://ico.org.uk/for-organisations/uk-gdpr-guidance-and-resources/lawful-basis/consent/what-is-valid-consent/ in mind.