Did you read anything on the stock backup page?
As long as the base number is the same then you should be able to flash a recovery that matches. You have software version 1.54.708.5 so just flash one that begins with 1.54.
The nearest is:
STOCK RECOVERY 1.54.707.5
Nothing will happen so just go ahead and try it.
Here's the OTA, but it won't install unless you already have the stock OS installed.
I've extracted and uploaded the stock recovery for your version, extract and flash via fastboot:
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