Fix OpenTelemetry graceful shutdown. #10205

Job	Run time
Go Lint	1m 41s
YAML Lint	21s
Generate Code	1m 7s
Rego PR checks	1m 33s
Go Test (linux)	11m 59s
Go Build (linux amd64)	2m 27s
Go Test (darwin)	11m 42s
Check Generated	26s
Go Build (linux arm64)	2m 17s
Go compat build/test (ubuntu-22.04, 1.20)	11m 51s
Go compat build/test (macos-14, 1.20)	11m 55s
Go Build (linux arm64GO_TAGS="-tags=opa_no_oci")	2m 14s
Go Race Detector	11m 50s
WASM	12s
Go Build (windows amd64)	2m 32s
Go Build (darwin amd64)	51s
Go Build (darwin arm64)	33s
docker image smoke test	35s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64, amd64)	11s
smoke-test-binaries (linux, ubuntu-22.04, opa_linux_amd64_static, amd64, disabled)	10s
smoke-test-binaries (darwin, macos-13, opa_darwin_amd64, amd64)	34s
smoke-test-binaries (darwin, macos-14, opa_darwin_arm64_static, arm64, disabled)	15s
smoke-test-binaries (windows, windows-latest, opa_windows_amd64.exe, amd64)	48s
	1h 18m 4s

Provide feedback