(Puppetfile) bump lsst/ipa to 4.0.0 (forge release)

Author: jhoblitt

Puppetfile

@@ -24,7 +24,7 @@ mod 'lsst/foreman_envsync', '2.1.0'
 mod 'lsst/google_chrome', git: 'https://github.com/lsst-it/puppet-google-chrome', ref: '974a7b1'
 mod 'lsst/helm_binary', '3.2.0'
 mod 'lsst/htcondor', '0.2.0'
-mod 'lsst/ipa', git: 'https://github.com/lsst-it/puppet-ipa', ref: '37eb701'
+mod 'lsst/ipa', '4.0.0'
 mod 'lsst/java_artisanal', '3.5.0'
 mod 'lsst/kubectl', '1.3.0'
 mod 'lsst/maven', '3.2.0'