fix permissions and dependencies in gradle builds

Author: steven-blakowski

modules/openapi-generator/src/main/resources/Java/libraries/resttemplate/build.gradle.mustache

@@ -163,6 +163,7 @@ dependencies {
     {{/joda}}
     {{#withXml}}
     implementation "com.fasterxml.jackson.dataformat:jackson-dataformat-xml:$jackson_version"
+    implementation "io.github.threeten-jaxb:threeten-jaxb-core:1.2"
     {{/withXml}}
     implementation "jakarta.annotation:jakarta.annotation-api:$jakarta_annotation_version"
     testImplementation "org.junit.jupiter:junit-jupiter-api:$junit_version"

modules/openapi-generator/src/main/resources/Java/libraries/retrofit2/build.gradle.mustache

@@ -134,7 +134,7 @@ dependencies {
     implementation "io.reactivex.rxjava2:rxjava:$rx_java_version"
     {{/useRxJava2}}
     {{#useRxJava3}}
-    implementation 'com.squareup.retrofit2:adapter-rxjava3:$$retrofit_version'
+    implementation "com.squareup.retrofit2:adapter-rxjava3:$retrofit_version"
     implementation "io.reactivex.rxjava3:rxjava:$rx_java_version"
     {{/useRxJava3}}
     implementation "io.swagger:swagger-annotations:$swagger_annotations_version"