Failed to store blobs

[koolacac]

Describe the bug
failed storing blobs

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop:

• OS Version: 12.2
• iOS Device: (if applicable): iPhone 6s

Checklist (place an x between the brackets to mark as completed):

• I have made sure I am on the latest version of blobsaver
• [x ] I have checked other open issues to see if my problem has already been reported
• I have tried common troubleshooting tactics such as restarting my computer and reinstalling blobsaver

Log(s)

java.lang.NullPointerException: Cannot invoke "com.google.gson.JsonArray.spliterator()" because "<local3>" is null
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.Utils.getBetaHubList(Unknown Source)
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.Utils.getBetaList(Unknown Source)
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.Utils.getSignedBetas(Unknown Source)
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.TSS.getIOSVersions(Unknown Source)
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.TSS.call(Unknown Source)
	at airsquared.blobsaver@3.5.1/airsquared.blobsaver.app.TSS.call(Unknown Source)
	at javafx.graphics@20/javafx.concurrent.Task$TaskCallable.call(Unknown Source)
	at java.base/java.util.concurrent.FutureTask.run(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.base/java.lang.Thread.run(Unknown Source)

[airsquared]

Duplicate of #590.