ci: pin tracing in msrv job (#622)

Author: ducaale

.github/workflows/CI.yml

@@ -62,6 +62,8 @@ jobs:
     - run: cargo update -p tokio --precise 1.38.1
     - run: cargo update -p tokio-util --precise 0.7.11
     - run: cargo update -p once_cell --precise 1.20.3
+    - run: cargo update -p tracing --precise 0.1.41
+    - run: cargo update -p tracing-subscriber --precise 0.3.19
     - run: cargo update -p tracing-core --precise 0.1.33
     - run: cargo update -p async-compression --precise 0.4.23
     - run: cargo update -p flate2 --precise 1.0.35