9.3 release notes golang toolchain version corrected

[thiranger]

Author checklist (Completed by original Author)

• Good fit for the Rocky Linux project? Title and Author Metatags inserted ?
• If applicable, steps and instructions have been tested to work
• Initial self-review to fix basic typos and grammar completed

Rocky Documentation checklist (Completed by Rocky team)

• 1st Pass (Document is good fit for project and author checklist completed)
• 2nd Pass (Technical Review - check for technical correctness)
• 3rd Pass (Detailed Editorial Review and Peer Review)
• Final approval (Final Review)

fixed wrong golang toolchain version in original release note: check Go Toolset rebased to version 1.20.10 in compilers and development tools section of the original document

[github-actions]

Test results for 16acf2f:

Number of broken URLs: 5

URL,RESULT,FILENAME
 https://www.virtualbox.org/,failed,guides/automation/templates-automation-packer-vsphere.md
 https://www.virtualbox.org/wiki/Downloads,failed,guides/virtualization/vbox-rocky.md
 https://dl.rockylinux.org/pub/rocky/9.2/live/x86_64/,failed,guides/desktop/kde_installation.md
 https://dl.rockylinux.org/pub/rocky/9.2/live/x86_64/,failed,guides/desktop/xfce_installation.md
 https://dl.rockylinux.org/pub/rocky/9.2/live/x86_64/,failed,guides/desktop/mate_installation.md

[sspencerwire]

Thank you @thiranger