Updates GHAs to align closer to the most recent versions

[iowillhoit]

What does this PR do?
Updates GHAs to align closer to the most recent versions

Changes:

• The create-github-release workflow replaces both onPushToMain and manualRelease
  • It looks like both create-github-release and onPushToMain have been running in tandem.
• The onRelease changes supports prereleases better
• Deleted one of the duplicate validate PR workflows
• Removes duplicate testCommitExceptMain.yml in favor of tests.tml

What issues does this PR fix or reference?
[skip-validate-pr]

[iowillhoit]

Update if needed

[iowillhoit]

Note that your Github Releases are being created by the svc-cli-bot. If you would rather have them publish with your SVC bot, the easiest way to do that would be to override the SVC_CLI_BOT_GITHUB_TOKEN secret with your bot's token (which is likely IDEE_GH_TOKEN) at the repo level (not the org level). For example here