Make Redis not critical on health.json

[carolyncole]

What maintenance needs to be done?

Now that we are looking at a central Redis, we want the web servers to stay up even is Redis is super busy

Level of urgency

• High
• Moderate
• Low

Acceptance criteria

• Utilize the documentation to configure redis critical to be false

Implementation notes, if any

We did something similar here in ORCID

[carolyncole]

Hey team! Please add your planning poker estimate with Zenhub @hectorcorrea @JaymeeH @jrgriffiniii @leefaisonr