community/openjdk8: security upgrade to 3.20.0
Security fixes
- JDK-8256157: Improve bytecode assembly
- JDK-8256491: Better HTTP transport
- JDK-8258432, CVE-2021-2341: Improve file transfers
- JDK-8260453: Improve Font Bounding
- JDK-8260960: Signs of jarsigner signing
- JDK-8260967, CVE-2021-2369: Better jar file validation
- JDK-8262380: Enhance XML processing passes
- JDK-8262403: Enhanced data transfer
- JDK-8262410: Enhanced rules for zones
- JDK-8262477: Enhance String Conclusions
- JDK-8262967: Improve Zip file support
- JDK-8264066, CVE-2021-2388: Enhance compiler validation
- JDK-8264079: Improve abstractions
- JDK-8264460: Improve NTLM support