fix(trace): append http method to tags error when using the Header ob…

[WHChen-Alex]

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• I had searched in the issues and found no similar issues.

Apache SkyWalking Component

NodeJS Client Side Agent (apache/skywalking-client-js)

What happened

Relevant code: https://github.com/apache/skywalking-client-js/blob/master/src/trace/interceptors/fetch.ts#L116-L121

If we call fetch with a Request object which contains headers, these headers will be throw error if enable skywalking-client-js.

const req = new Request("/api/projects", {
  headers: {
    "my-custom-header": "test",
  },
});

fetch(req);

What you expected to happen

Fix error

How to reproduce

https://codesandbox.io/p/devbox/wh2zsm?file=%2Fpackage.json&migrateFrom=sjygtk

Open the devtools, switch to network tab, filter Fetch/XHR, open details for the request /api/projects, in Request Headers, and switch to console tab , see that error below

Anything else

No response

Are you willing to submit a pull request to fix on your own?

• Yes I am to submit a pull request on my own!

Code of Conduct

• I agree to follow this project's Code of Conduct

[WHChen-Alex]

Can you release v0.13.0 for now or last few days, please?
thx~

@Fine0830