Update dependency dev.equo.ide:solstice to v1.8.0 (#2267)

Author: nedtwigg

lib-extra/build.gradle

@@ -7,7 +7,7 @@ version = rootProject.spotlessChangelog.versionNext
 apply from: rootProject.file('gradle/java-setup.gradle')
 apply from: rootProject.file('gradle/java-publish.gradle')
 
-String VER_SOLSTICE = '1.7.7'
+String VER_SOLSTICE = '1.8.0'
 dependencies {
 	api projects.lib
 	// misc useful utilities

lib-extra/src/main/java/com/diffplug/spotless/extra/EquoBasedStepBuilder.java

@@ -116,7 +116,7 @@ public FormatterStep build() {
 			}
 			var classpath = new ArrayList<File>();
 			var mavenDeps = new ArrayList<String>();
-			mavenDeps.add("dev.equo.ide:solstice:1.7.7");
+			mavenDeps.add("dev.equo.ide:solstice:1.8.0");
 			mavenDeps.add("com.diffplug.durian:durian-swt.os:4.2.0");
 			mavenDeps.addAll(query.getJarsOnMavenCentral());
 			classpath.addAll(mavenProvisioner.provisionWithTransitives(false, mavenDeps));