chore(master): release 4.0.0

:robot: I have created a release beep boop

ability to install snap (#154) (0aaad28)
add ability to accept dialogs (#138) (#164) (f777a9a)
Add invokeSnap method; update installSnap method parameter; (#159) (17f2849)
add playwright support (#167) (c4c0e5f)
add support for installing metamask flaask (71cf265)
add support for installing metamask flask (#153) (71cf265)
added notification snap to methods-snap #137 (#166) (ae17944)
allow signing typed data (#191) (086ecbd)
method to bootstrap snap env (#180) (0fb3465)
replace outdated methods (#189) (9fcf255)
Simplify installSnap and initSnapEnv apis (#206) (d7c51f9)
snap notifications 137 (#187) (794465c)
update recommended metamask version (#151) (ccb3215)

casing of MetaMask (#132) (c0a41aa)
fix prompt clicking flakiness, fix multiple snap key permissions (#194) (fe03f89)
import token flaky (#149) (bfce149)
import-token flakyness (bfce149)
remove page param from install snap (#188) (2678119)
selector issues, useless timeouts, reorganise tests (#145) (babdd28)
snap install faster, run all tests (#163) (04b8a00)

change eslint config to chainsafe shared (#152) (4aa5ca2)
Ci enhancement (#193) (7082c98)
Deprecate button clicks for tests (#195) (bb11a88)
merge unstable into master (#179) (fed0b60)
node engine requirements (#184) (#186) (2d86a6d)
Remove local server for dapp (#203) (a0c682f)
remove metamask dir (#185) (d703be8)
update CI for unstable branch (3caf78d)
Update documentation and Readme (#202) (e8c245e)

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