Bump target JOSM version 14760

Signed-off-by: Hiroshi Miura <miurahr@linux.com>

gradle.properties

@@ -6,11 +6,11 @@ plugin.icon=images/mapillary-logo.svg
 plugin.link=https://wiki.openstreetmap.org/wiki/JOSM/Plugins/Mapillary
 # Minimum required JOSM version to run this plugin, choose the lowest version possible that is compatible.
 # You can check if the plugin compiles against this version by executing `./gradlew minJosmVersionClasses`.
-plugin.main.version=14149
+plugin.main.version=14760
 # Version of JOSM against which the plugin is compiled
 # Please check, if the specified version is available for download from https://josm.openstreetmap.de/download/ .
 # If not, choose the next higher number that is available, or the gradle build will break.
-plugin.compile.version=14824
+plugin.compile.version=15238
 plugin.requires=apache-commons;apache-http
 
 # Character encoding of Gradle files