Updated Gradle to 7.4, removed unused gradle block

Signed-off-by: Patrick Reinhart <patrick@reini.net>

Author: reinhapa

build.gradle

@@ -87,11 +87,6 @@ compileJava {
   options.compilerArgs << '-Xlint:unchecked'
 }
 
-signing {
-  required { project.hasProperty('signing.password') && !project.version.endsWith('-SNAPSHOT') }
-  sign publishing.publications
-}
-
 jar {
   manifest.attributes 'Implementation-Title': 'XML:DB API specification',
                       'Automatic-Module-Name': "org.xmldb.api"

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists