chore: Update tracing-subscriber to 0.3 (#873)

examples/Cargo.toml

@@ -194,7 +194,7 @@ serde_json = "1.0"
 tracing = "0.1.16"
 tracing-attributes = "0.1"
 tracing-futures = "0.2"
-tracing-subscriber = {version = "0.2", features = ["tracing-log"]}
+tracing-subscriber = {version = "0.3", features = ["tracing-log"]}
 # Required for wellknown types
 prost-types = "0.9"
 # Hyper example

interop/Cargo.toml

@@ -32,7 +32,7 @@ tonic = {path = "../tonic", features = ["tls"]}
 tower = {version = "0.4"}
 tracing = "0.1"
 tracing-log = "0.1"
-tracing-subscriber = "0.2"
+tracing-subscriber = {version = "0.3", features = ["env-filter"]}
 
 [build-dependencies]
 tonic-build = {path = "../tonic-build", features = ["prost"]}

tests/integration_tests/Cargo.toml

@@ -24,7 +24,7 @@ hyper = "0.14"
 tokio-stream = {version = "0.1.5", features = ["net"]}
 tower = {version = "0.4", features = []}
 tower-service = "0.3"
-tracing-subscriber = "0.2"
+tracing-subscriber = {version = "0.3", features = ["env-filter"]}
 
 [build-dependencies]
 tonic-build = {path = "../../tonic-build"}