hls-plugin-api 0.7.1.0 breaks haskell-language-server 0.9.0.0

[hamishmack]

I think we need to add a hls-plugin-api ==0.7.0.* constraint like the one for ghcide (see #1332 and #1381)

[hamishmack]

I also think we might need hls-retrie-plugin ==0.1.1.0

[pepeiborra]

I have added restrictions for hls-plugin-api and all the plugins

[pepeiborra]

Leaving this ticket open until the restrictions are merged in HEAD

[jneira]

Closed by #1392