Update OIDC authenticator to latest version
The new version of the OIDC Authenticator brings support for backchannel logout
See https://extensions.xwiki.org/xwiki/bin/view/Extension/OpenID%20Connect/#H2.4.0
The new version of the OIDC Authenticator brings support for backchannel logout
See https://extensions.xwiki.org/xwiki/bin/view/Extension/OpenID%20Connect/#H2.4.0