[Blog] Update posts containing database semantic conventions links#8521

chalin merged 2 commits intoopen-telemetry:mainopen-telemetry/opentelemetry.io:mainfrom

vitorvasc:fix_update-blog-posts-semconv-db-urlvitorvasc/opentelemetry.io:fix_update-blog-posts-semconv-db-urlCopy head branch name to clipboard