build: restore legacy mod build compatibility

Normalize the legacy build definition used for the Java 8 Uranium full-mod deployment.

build.gradle

@@ -1,3 +1,6 @@
 plugins {
     id 'com.gtnewhorizons.gtnhconvention'
 }
+
+version = providers.gradleProperty('modVersion').get()
+ext.modVersion = version

gradle.properties

@@ -3,7 +3,7 @@ gtnh.settings.blowdryerTag = 0.2.0
 modName = SlashBlade-Yukari
 modId = slashblade.yukari
 modGroup = slashblade.yukari
-modVersion = 1.0.0
+modVersion = mc1.7.10-r1
 gtnh.modules.gitVersion = false
 useModGroupForPublishing = false
 autoUpdateBuildScript = false
@@ -27,4 +27,3 @@ disableCheckstyle = true
 org.gradle.jvmargs = -Xmx2G
 org.gradle.parallel = true
 org.gradle.configuration-cache = false
-

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME