Update all SDKs docs

• All SDK maintainers ACK that docs are ready
• Update all the SDK submodules and triage changes with maintainers

v1.8 Branch - use this for reference: **** #2345

In pending PR:

• Add v1.9 (latest) to nav bar
• Archive notice
• Update root README.md
• Update URL in config.toml
• Delete workflow file

Day of:

• Push v1.8 PR

v1.8 Branch - use this for reference: **** #2344

In a pending PR:

• Update README.md
• Update version dropdown in nav bar
• Supported versions section
• All output logs change 1.8 to 1.9 (change dapr-latest-version.html)
• Update URL in config.toml
• Update workflow for docs.dapr.io to v1.9 branch

Day of:

• Push v1.9 PR

GitHub - After release

• Make v1.9 the default branch
• One last upmerge

Website

• Create new website for v1.7, v1.8, v1.9
• Add DNS entry for new website
• Add custom domain & generate SSL certificate - Needs to happen after the DNS entry is created

v1.10 Branch

• Create v1.10 branch
• Update website workflow file - See this PR Fix navbar for v1.7 branch #2156 for the Nav bar
• Upmerge from release branch to preview branch

Release announcements

• Release notes/blog
• Tweet release announcement
• Discord release announcement