Upgrading passport.js to greater than 0.5.x in registry-server

[wgwz]

Describe the bug
When passport.js 0.6.x is installed in the registry-server we get this error:

TypeError: req.session.regenerate is not a function                                                        
    at SessionManager.logIn (/Users/kyle/regen/registry-server/node_modules/passport/lib/sessionmanager.js:28:15)                                                                                                     
    at IncomingMessage.req.login.req.logIn (/Users/kyle/regen/registry-server/node_modules/passport/lib/http/request.js:39:26)
    at Strategy.strategy.success (/Users/kyle/regen/registry-server/node_modules/passport/lib/middleware/authenticate.js:256:13)
    at verified (/Users/kyle/regen/registry-server/node_modules/passport-custom/lib/strategy.js:56:8)      
    at Strategy._verify (/Users/kyle/regen/registry-server/server/middleware/passport.ts:79:20)            
    at Strategy.authenticate (/Users/kyle/regen/registry-server/node_modules/passport-custom/lib/strategy.js:60:8)
    at attempt (/Users/kyle/regen/registry-server/node_modules/passport/lib/middleware/authenticate.js:369:16)                                                                                                        
    at authenticate (/Users/kyle/regen/registry-server/node_modules/passport/lib/middleware/authenticate.js:370:7)                                                                                                    
    at Layer.handle [as handle_request] (/Users/kyle/regen/registry-server/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/Users/kyle/regen/registry-server/node_modules/express/lib/router/index.js:323:13)

Related upstream issues: jaredhanson/passport#907, jaredhanson/passport#904

In order to upgrade passport to > 0.5.x, we will need to have a fix for the issue above.

Found during work in PR: https://github.com/regen-network/registry-server/pull/227

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[wgwz]

Newer versions of passport.js require this req.session.regenerate API.
express/cookie-session does not make use of this API and they do not plan to fix it (ref).
A workaround was shared here:
jaredhanson/passport#904 (comment)
We can try this workaround to perform the upgrade.
Alternative ideas:

• try the suggestion of providing a SessionManager that does not call regenerate

[wgwz]

@blushi i think we should pull this into the next sprint if possible.
i don't want to fall to far behind with passport.js since it's an important dependency.
this will involve some hacking for finding the best support path, and thorough testing.

[blushi]

Please add your planning poker estimate with Zenhub @wgwz