fix: correct user agent formatting in headers

Author: joseph-sentry

packages/bundler-plugin-core/src/utils/__tests__/Output.test.ts

@@ -693,7 +693,7 @@ describe("Output", () => {
             headers: new Headers({
               Authorization: "token token",
               "Content-Type": "application/json",
-              "User-Agent": "codecov-bundler_plugin/1.9.1",
+              "User-Agent": "codecov-bundler-plugin/1.9.1",
             }),
             body: JSON.stringify({
               branch: "main",

packages/bundler-plugin-core/src/utils/getPreSignedURL.ts

@@ -54,7 +54,7 @@ export const getPreSignedURL = async ({
 }: GetPreSignedURLArgs) => {
   const headers = new Headers({
     "Content-Type": "application/json",
-    "User-Agent": `codecov-bundler_plugin/${version}`,
+    "User-Agent": `codecov-bundler-plugin/${version}`,
   });
 
   const requestBody: RequestBody = serviceParams;