Auto-update dependencies and plugins (#158)

## Updated Dependencies
 * `com.markelliot.barista.tracing:barista-tracing 0.15.0 -> 0.16.0`
 * `com.google.guava:guava 31.1-jre -> 31.1-jre`

versions.lock

@@ -24,7 +24,7 @@ com.google.guava:guava:31.1-jre (9 constraints: 4e9d3c7f)
 com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava (1 constraints: bd17c918)
 com.google.j2objc:j2objc-annotations:1.3 (1 constraints: b809eda0)
 com.jakewharton.nopen:nopen-annotations:1.0.1 (3 constraints: 7d256836)
-com.markelliot.barista.tracing:barista-tracing:0.15.0 (1 constraints: 3805323b)
+com.markelliot.barista.tracing:barista-tracing:0.16.0 (1 constraints: 3905353b)
 com.markelliot.result:result:0.16.0 (1 constraints: 3905353b)
 com.palantir.conjure.java:conjure-java-undertow-runtime:6.66.0 (1 constraints: 44056d3b)
 com.palantir.conjure.java:conjure-lib:6.66.0 (1 constraints: cf133b62)

versions.props

@@ -6,7 +6,7 @@ com.google.errorprone:error_prone_core = 2.16
 com.google.googlejavaformat:google-java-format = 1.15.0
 com.google.guava:guava = 31.1-jre
 com.jakewharton.nopen:* = 1.0.1
-com.markelliot.barista.tracing:barista-tracing = 0.15.0
+com.markelliot.barista.tracing:barista-tracing = 0.16.0
 com.markelliot.result:result = 0.16.0
 com.palantir.conjure.java:* = 6.66.0
 com.squareup:javapoet = 1.13.0