Release 9.0.0

• fix(lib): updated angular flex layout (8ad9541)
• fix(lib): minor (2b1da57)
• fix(lib): upgraded nguniversal (5cafc1f)
• fix(lib): minor (3e75594)
• fix(lib): upgraded angular material to v12 (3841f9f)
• Merge remote-tracking branch 'origin/master' (3372be8)
• Merge pull request #330 from marvinosswald/fix/229 (baf0365)
• fix: confirm form validation needs to be reevaluated on changes on the password form (ed24d72)
• fix(lib): upgraded angular material to v12 (d2844be)
• fix(lib): upgraded the lib to v12 (481a3c9)