Bump ddtrace from 1.8.0 to 1.9.0

Bumps [ddtrace](https://github.com/DataDog/dd-trace-rb) from 1.8.0 to 1.9.0.
- [Release notes](https://github.com/DataDog/dd-trace-rb/releases)
- [Changelog](https://github.com/DataDog/dd-trace-rb/blob/master/CHANGELOG.md)
- [Commits](https://github.com/DataDog/dd-trace-rb/compare/v1.8.0...v1.9.0)

---
updated-dependencies:
- dependency-name: ddtrace
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Gemfile.lock

@@ -237,12 +237,12 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    ddtrace (1.8.0)
-      debase-ruby_core_source (>= 0.10.16, <= 0.10.18)
-      libdatadog (~> 0.9.0.1.0)
+    ddtrace (1.9.0)
+      debase-ruby_core_source (>= 0.10.16, <= 3.2.0)
+      libdatadog (~> 1.0.1.1.0)
       libddwaf (~> 1.5.1.0.0)
       msgpack
-    debase-ruby_core_source (0.10.18)
+    debase-ruby_core_source (3.2.0)
     debug (1.7.1)
       irb (>= 1.5.0)
       reline (>= 0.3.1)
@@ -383,7 +383,7 @@ GEM
       addressable (~> 2.7)
     letter_opener (1.8.1)
       launchy (>= 2.2, < 3)
-    libdatadog (0.9.0.1.0)
+    libdatadog (1.0.1.1.0)
     libddwaf (1.5.1.0.0)
       ffi (~> 1.0)
     libv8-node (16.10.0.0)