Update dependency org.checkerframework:checker to v3.38.0

Author: renovate[bot]

WORKSPACE

@@ -265,7 +265,7 @@ maven_install(
         "org.apache.thrift:libthrift:0.18.1",
         "org.checkerframework:checker-qual:3.37.0",
         "org.checkerframework:checker-util:3.37.0",
-        "org.checkerframework:checker:3.37.0",
+        "org.checkerframework:checker:3.38.0",
         "org.immutables:gson:2.9.3",
         "org.immutables:value-annotations:2.9.3",
         "org.immutables:value-processor:2.9.3",