Excavator: Update conjure plugins and dependencies (#2543)

Author: svc-excavator-bot

versions.lock

@@ -24,7 +24,7 @@ com.google.j2objc:j2objc-annotations:1.3 (1 constraints: b809eda0)
 com.netflix.concurrency-limits:concurrency-limits-core:0.2.2 (1 constraints: 0605f335)
 com.netflix.feign:feign-core:8.18.0 (2 constraints: 1213df52)
 com.netflix.feign:feign-jackson:8.18.0 (1 constraints: 43056b3b)
-com.palantir.conjure.java:conjure-lib:6.71.0 (3 constraints: 74250752)
+com.palantir.conjure.java:conjure-lib:6.73.0 (3 constraints: 7625c752)
 com.palantir.conjure.java.api:errors:2.34.0 (3 constraints: 2f258049)
 com.palantir.conjure.java.api:service-config:2.34.0 (3 constraints: a128f8e1)
 com.palantir.conjure.java.api:ssl-config:2.34.0 (2 constraints: fd174886)

versions.props

@@ -4,8 +4,8 @@ com.google.code.findbugs:jsr305 = 3.0.2
 com.google.guava:guava = 31.1-jre
 com.netflix.concurrency-limits:* = 0.2.2
 com.netflix.feign:feign-*= 8.18.0
-com.palantir.conjure.java:* = 6.71.0
-com.palantir.conjure.java:conjure-lib = 6.71.0
+com.palantir.conjure.java:* = 6.73.0
+com.palantir.conjure.java:conjure-lib = 6.73.0
 com.palantir.conjure.java.api:* = 2.34.0
 com.palantir.conjure.verification:* = 0.19.0
 com.palantir.dialogue:* = 3.75.0