Merge #1972: ci: pin tracing-core to 0.1.33 for msrv

7c8b4db ci: pin `tracing-core` to `0.1.33` (Wei Chen)

Pull request description:

  ### Description

  Pin `tracing-core` to `0.1.33` for msrv.

  ### Changelog notice

  * Pin `tracing-core` to `0.1.33`.

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo +nightly fmt` and `cargo clippy` before committing

ACKs for top commit:
  ValuedMammal:
    ACK 7c8b4db
  oleonardolima:
    ACK 7c8b4db

Tree-SHA512: 2bbca7a6506a3a083cc3a13aa0221dd5d5442c7435bf57f5bfe01d48365b1eab355caf9cb27ee7c57f4adc4d3aa621f6f3ec9379f4b03d5d9a5f9e2284d64785

Author: LagginTimes

ci/pin-msrv.sh

@@ -27,3 +27,4 @@ cargo update -p ring --precise "0.17.12"
 cargo update -p once_cell --precise "1.20.3"
 cargo update -p base64ct --precise "1.6.0"
 cargo update -p minreq --precise "2.13.2"
+cargo update -p tracing-core --precise "0.1.33"