Update to Gradle 7.6.2

Closes gh-857

build.gradle

@@ -34,7 +34,6 @@ configure(subprojects - coreModules) {
 }
 
 nohttp {
-	allowlistFile = project.file("etc/nohttp/allowlist.lines")
 	source.exclude "buildSrc/build/**"
 }
 

etc/nohttp/checkstyle.xml

@@ -0,0 +1,15 @@
+<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+    "https://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+<module name="Checker">
+  <property name="charset" value="UTF-8"/>
+  <property name="fileExtensions" value=""/>
+  <module name="io.spring.nohttp.checkstyle.check.NoHttpCheck">
+    <!--  Workaround for https://github.com/spring-io/nohttp/issues/55  -->
+    <property name="allowlistFileName" value="${config_loc}/allowlist.lines" default=""/>
+  </module>
+  <module name="SuppressionFilter">
+    <property name="file" value="${config_loc}/suppressions.xml" default=""/>
+    <property name="optional" value="true"/>
+  </module>
+  <module name="SuppressWithPlainTextCommentFilter"/>
+</module>

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists