[CODE HEALTH] Fix clang-tidy cppcoreguidelines-init-variables warnings#3919

marcalff merged 2 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-cpp:mainfrom

dbarker:fix_clang_tidy_init_warningsdbarker/opentelemetry-cpp:fix_clang_tidy_init_warningsCopy head branch name to clipboard