Update bouncycastle to 1.78.1

Because bcpg 1.78.1 requires java.package org.bouncycastle.asn1.cryptlib
[1.78.1,1.79.0)' which is provided by bcutil, bcutil-jdk18on must be
added to the target platform

eclipse.platform.releng.prereqs.sdk/eclipse-sdk-prereqs.target

@@ -154,13 +154,19 @@
 			  <dependency>
 				  <groupId>org.bouncycastle</groupId>
 				  <artifactId>bcpg-jdk18on</artifactId>
-				  <version>1.77</version>
+				  <version>1.78.1</version>
 				  <type>jar</type>
 			  </dependency>
 			  <dependency>
 				  <groupId>org.bouncycastle</groupId>
 				  <artifactId>bcprov-jdk18on</artifactId>
-				  <version>1.77</version>
+				  <version>1.78.1</version>
+				  <type>jar</type>
+			  </dependency>
+			  <dependency>
+				  <groupId>org.bouncycastle</groupId>
+				  <artifactId>bcutil-jdk18on</artifactId>
+				  <version>1.78.1</version>
 				  <type>jar</type>
 			  </dependency>
 			  <dependency>