Update JGit to latest from the 6.x.x series

Starting with JGit 7.0.0, Java 17 was required.

Author: rtyley

project/Dependencies.scala

@@ -2,12 +2,12 @@ import sbt._
 
 object Dependencies {
 
-  val jgit = "org.eclipse.jgit" % "org.eclipse.jgit" % "6.7.0.202309050840-r"
+  val jgit = "org.eclipse.jgit" % "org.eclipse.jgit" % "6.10.0.202406032230-r"
 
-  val scalatest = "org.scalatest" %% "scalatest" % "3.2.15"
+  val scalatest = "org.scalatest" %% "scalatest" % "3.2.19"
 
   val madgagCompress = "com.madgag" % "util-compress" % "1.35"
 
-  val guava = Seq("com.google.guava" % "guava" % "32.1.3-jre", "com.google.code.findbugs" % "jsr305" % "3.0.2")
+  val guava = Seq("com.google.guava" % "guava" % "33.4.0-jre", "com.google.code.findbugs" % "jsr305" % "3.0.2")
 
 }

scala-git-test/src/main/scala/com/madgag/git/test/package.scala

@@ -19,12 +19,12 @@ package com.madgag.git
 import java.io.File
 import java.io.File.separatorChar
 import java.net.URL
-
-import com.google.common.io.Files
 import com.madgag.compress.CompressUtil._
 import org.eclipse.jgit.internal.storage.file.FileRepository
 import org.eclipse.jgit.storage.file.FileRepositoryBuilder
 
+import java.nio.file.Files.createTempDirectory
+
 package object test {
   def unpackRepo(fileName: String): FileRepository = {
     val resolvedGitDir = unpackRepoAndGetGitDir(fileName)
@@ -38,7 +38,8 @@ package object test {
     val rawZipFileInputStream = resource.openStream()
     assert(rawZipFileInputStream != null, s"Stream for $fileName is null.")
 
-    val repoParentFolder = new File(Files.createTempDir(), fileName.replace(separatorChar, '_') + "-unpacked")
+
+    val repoParentFolder = new File(createTempDirectory("test").toFile, fileName.replace(separatorChar, '_') + "-unpacked")
     repoParentFolder.mkdir()
 
     unzip(rawZipFileInputStream, repoParentFolder)