docs: release checklist (Checkmarx#3822)

docs/release_checklist.md

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+# Release Checklist
+
+1. Check for any `update-queries-docs` pull requests open, review and merge if any
+2. Prepare release (run prepare-release action)
+3. Review and merge prepare-release pull-request
+4. Create and push new version git tag
+5. Wait for goreleaser action to complete
+6. Test pre-release manually on each platform
+7. Publish new version by updating changelog and removing pre-release flag
+8. Check if `update-docs-release` workflow completed with success
+9. Trigger `release-docker-image` workflow
+10. Check if image is published in dockerhub / update hub documentation if changed.