[build scripts] IJI-531 Use new JetSign

(cherry picked from commit 629085f0825e7a4f59370943c08ebe9be718c335)

GitOrigin-RevId: 5a16de46b3c516840ae2981259bccf35767c996d

build/dependencies/gradle.properties

@@ -3,7 +3,7 @@
 bundledMavenVersion=3.6.3
 gradleApiVersion=5.2.1
 jdkBuild=11_0_10b1145.115
-jetSignBuild=42.48
+jetSignBuild=45.45
 kotlinPluginBuild=203-1.4.10-release-IJ7717.8:Ideadev
 rkernelVersion=203.19
 secondJreBuild=u222b1626.3

build/dependencies/setupJetSign.gradle

 /*
- * Copyright 2000-2016 JetBrains s.r.o.
+ * Copyright 2000-2021 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,10 +14,8 @@
  * limitations under the License.
  */
 repositories {
-  if (inJetBrainsNetwork) {
-    maven {
-      url 'https://repo.labs.intellij.net/jet-sign'
-    }
+  maven {
+    url 'https://cache-redirector.jetbrains.com/packages.jetbrains.team/maven/p/jcs/maven'
   }
 }