Bump org.checkerframework from 0.6.47 to 0.6.49 (#397)

Bumps org.checkerframework from 0.6.47 to 0.6.49.


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build.gradle

@@ -5,7 +5,7 @@ plugins {
     id 'maven-publish'
     id 'signing'
     id 'com.diffplug.spotless' version '6.25.0'
-    id 'org.checkerframework' version '0.6.47'
+    id 'org.checkerframework' version '0.6.49'
     id("net.ltgt.errorprone") version "4.1.0"
     id 'com.adarshr.test-logger' version '4.0.0'
 }