Reply to the email and refuse the invitation politely. Here is the email. 

Dear ARR Reviewer,
Many thanks for your continuous support of ARR. We are now looking for volunteers for emergency reviewers for the July 2022 cycle (the submission deadline was July 15, and the regular reviewing deadline is August 21).
Emergency reviewing will take place between August 21 and August 28. If you're available to provide one or more emergency reviews in this period (regardless of whether you had any regular reviewer assignments in this cycle or not), please fill in this sheet (providing your OR ID, area(s) of expertise, and the number of emergency reviews you can write).
Many thanks to all volunteers in advance!
Best regards, 
ARR EiCs
detectable_format:number_bullet_lists detectable_content:number_placeholders keywords:existence length_constraints:number_sentences change_case:capital_word_frequency detectable_content:postscript keywords:frequency
Javascript
at least
less than
P.P.S
at least
best
Include exactly 2 bullet points in your response. The bullet points should be in the form of:
* This is bullet 1
* This is bullet 2
...
 Your answer must have at least 3 placeholders, wrapped in square brackets, such as [author] The response must include the keywords Javascript Respond with at least 3 sentences make sure that words with all capital letters appear less than 2 times end it with a post script starting with P.P.S reply should include the word "best" at least 4 times