rollback tracing-opentelemetry and tracing-subscriber updates

reqwest-tracing still requires tracing-opentelemetry 0.15, so tracing
headers do not get propagated if the versions are different

apollo-router-core/Cargo.toml

@@ -35,7 +35,8 @@ mockall = "0.10.2"
 static_assertions = "1"
 test-log = { version = "0.2.8", default-features = false, features = ["trace"] }
 tokio = { version = "1", features = ["full"] }
-tracing-subscriber = { version = "0.3.2", default-features = false, features = [
+# don't bump to 0.3 until we bump tracing-opentelemetry to 0.16
+tracing-subscriber = { version = "0.2.25", default-features = false, features = [
     "env-filter",
     "fmt",
 ] }

apollo-router/Cargo.toml

@@ -58,8 +58,11 @@ tokio = { version = "1.14.0", features = ["full"] }
 tonic = { version = "0.5.2", optional = true }
 tracing = "0.1.29"
 tracing-futures = "0.2.5"
-tracing-opentelemetry = "0.16.0"
-tracing-subscriber = { version = "0.3.2", features = ["json"] }
+# don't bump to 0.16 until reqwest-tracing does
+tracing-opentelemetry = "0.15.0"
+# don't bump to 0.3 until we bump tracing-opentelemetry to 0.16
+tracing-subscriber = { version = "0.2.25", features = ["json"] }
+
 typed-builder = "0.9.1"
 url = { version = "2.2.2", features = ["serde"] }
 warp = { version = "0.3.2", default-features = false, features = [
@@ -73,7 +76,7 @@ maplit = "1.0.2"
 mockall = "0.10.2"
 reqwest = { version = "0.11.6", features = ["json", "stream"] }
 test-log = { version = "0.2.8", default-features = false, features = ["trace"] }
-tracing-subscriber = { version = "0.3.2", default-features = false, features = [
+tracing-subscriber = { version = "0.2.25", default-features = false, features = [
     "env-filter",
     "fmt",
 ] }

licenses.html

@@ -4215,6 +4215,7 @@ <h4>Used by:</h4>
                     <li><a href=" https://github.com/yoshuawuyts/miow ">miow</a></li>
                     <li><a href=" https://github.com/havarnov/multimap ">multimap</a></li>
                     <li><a href=" https://github.com/deprecrated/net2-rs ">net2</a></li>
+                    <li><a href=" https://github.com/rust-num/num-integer ">num-integer</a></li>
                     <li><a href=" https://github.com/rust-num/num-traits ">num-traits</a></li>
                     <li><a href=" https://github.com/seanmonstar/num_cpus ">num_cpus</a></li>
                     <li><a href=" https://github.com/matklad/once_cell ">once_cell</a></li>
@@ -6590,6 +6591,7 @@ <h3 id="Apache-2.0">Apache License 2.0</h3>
                 <h4>Used by:</h4>
                 <ul class="license-used-by">
                     <li><a href=" https://crates.io/crates/apollo-parser ">apollo-parser</a></li>
+                    <li><a href=" https://github.com/chronotope/chrono ">chrono</a></li>
                     <li><a href=" https://github.com/tokio-rs/prost ">prost-build</a></li>
                     <li><a href=" https://github.com/tokio-rs/prost ">prost-derive</a></li>
                     <li><a href=" https://github.com/tokio-rs/prost ">prost-types</a></li>
@@ -7821,10 +7823,8 @@ <h4>Used by:</h4>
                     <li><a href=" https://github.com/tokio-rs/tracing ">tracing-futures</a></li>
                     <li><a href=" https://github.com/tokio-rs/tracing ">tracing-log</a></li>
                     <li><a href=" https://github.com/tokio-rs/tracing ">tracing-opentelemetry</a></li>
-                    <li><a href=" https://github.com/tokio-rs/tracing ">tracing-opentelemetry</a></li>
                     <li><a href=" https://github.com/tokio-rs/tracing ">tracing-serde</a></li>
                     <li><a href=" https://github.com/tokio-rs/tracing ">tracing-subscriber</a></li>
-                    <li><a href=" https://github.com/tokio-rs/tracing ">tracing-subscriber</a></li>
                 </ul>
                 <pre class="license-text">Copyright (c) 2019 Tokio Contributors