fix the branch master to main
MODIFY
CONTRIBUTING.md
CONTRIBUTING.md
@@ -15,7 +15,7 @@ See [Running the tests](./docs/contributing/running-tests.md) for more details.
#### Snapshot builds
For developers testing code changes before a release is complete, there are
-snapshot builds of the `master` branch. They are available from
+snapshot builds of the `main` branch. They are available from
the Sonatype OSS snapshots repository at https://oss.sonatype.org/content/repositories/snapshots/ ([browse](https://oss.sonatype.org/content/repositories/snapshots/io/opentelemetry/))
#### Building from source

fix the branch master to main (#2225)