fix(opentelemetry): validate x-request-id before using it as trace_id… #22259

Job	Run time
build (ubuntu-latest, linux_openresty, t/plugin/[a-k]*.t t/plugin/dubbo-proxy t/plugin/graphql-pr...	4m 24s
build (ubuntu-latest, linux_openresty, t/stream-plugin t/plugin/[l-z]*.t t/plugin/proxy-cache)	40m 21s
build (ubuntu-latest, linux_openresty, t/admin t/cli t/config-center-json t/config-center-yaml t/...	24m 6s
build (ubuntu-latest, linux_openresty, t/node t/pubsub t/router t/script t/secret t/stream-node t...	25m 16s
	1h 34m 7s

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