Update temp password used by Linux Manager to be suitable for new reqs

galasa-managers-parent/galasa-managers-unix-parent/dev.galasa.linux.manager/src/main/java/dev/galasa/linux/internal/shared/LinuxSharedImage.java

@@ -78,7 +78,7 @@ public LinuxSharedImage(LinuxManagerImpl manager, String tag, String hostid, Str
                 throw new LinuxManagerException("useradd of username " + this.username + " failed:-\n" + response);
             }
 
-            String tempPassword = "ThisIsTheFutureOfTesting_123"; //Not a secret but this raises a vulnerability on server side runs. Issue has been raised to correct this //pragma: allowlist secret
+            String tempPassword = "Galasa_Future_0f_Test1ng!"; //Not a secret but this raises a vulnerability on server side runs. Issue has been raised to correct this //pragma: allowlist secret
             for(int i = 0; i < 4; i++) {
                 tempPassword = tempPassword + Integer.toString(this.random.nextInt(10));
             }