Security update for chromium

Open Source Vulnerabilities openSUSE-SU-2021:0840-1

This update for chromium fixes the following issues: Chromium 91.0.4472.77 (boo#1186458): * Support Managed configuration API for Web Applications * WebOTP API: cross-origin iframe support * CSS custom counter styles * Support JSON Modules * Clipboard: read-only files support * Remove webkitBeforeTextInserted & webkitEditableCOntentChanged JS events * Honor media HTML attribute for link icon * Import Assertions * Class static initializer blocks * Ergonomic brand checks for private fields * Expose WebAssembly SIMD * New Feature: WebTransport * ES Modules for service workers ('module' type option) * Suggested file name and location for the File System Access API * adaptivePTime property for RTCRtpEncodingParameters * Block HTTP port 10080 - mitigation for NAT Slipstream 2.0 attack * Support WebSockets over HTTP/2 * Support 103 Early Hints for Navigation * CVE-2021-30521: Heap buffer overflow in Autofill * CVE-2021-30522: Use after free in WebAudio * CVE-2021-30523: Use after free in WebRTC * CVE-2021-30524: Use after free in TabStrip * CVE-2021-30525: Use after free in TabGroups * CVE-2021-30526: Out of bounds write in TabStrip * CVE-2021-30527: Use after free in WebUI * CVE-2021-30528: Use after free in WebAuthentication * CVE-2021-30529: Use after free in Bookmarks * CVE-2021-30530: Out of bounds memory access in WebAudio * CVE-2021-30531: Insufficient policy enforcement in Content Security Policy * CVE-2021-30532: Insufficient policy enforcement in Content Security Policy * CVE-2021-30533: Insufficient policy enforcement in PopupBlocker * CVE-2021-30534: Insufficient policy enforcement in iFrameSandbox * CVE-2021-30535: Double free in ICU * CVE-2021-21212: Insufficient data validation in networking * CVE-2021-30536: Out of bounds read in V8 * CVE-2021-30537: Insufficient policy enforcement in cookies * CVE-2021-30538: Insufficient policy enforcement in content security policy * CVE-2021-30539: Insufficient policy enforcement in content security policy * CVE-2021-30540: Incorrect security UI in payments * Various fixes from internal audits, fuzzing and other initiatives