v4.5.1

What's Changed

• fix(edit-button): send the page the editor was on to the CMS by @kirtesh-cstk in #635
• fix(security): bump dompurify to patch XSS vulnerability by @hitesh-shetty-cstk in #638
• chore(tests): standardize api key placeholder values in specs by @hitesh-shetty-cstk in #639
• chore: sync develop_v4 with stage_v4 by @kirtesh-cstk in #645
• Develop v4 by @kirtesh-cstk in #640
• chore(release): v4.5.1 by @kirtesh-cstk in #646
• release: v4.5.1 by @kirtesh-cstk in #647

Full Changelog: v4.5.0...v4.5.1