Describe the bug

After switching to v1.3.0 of this workflow, the same images in https://github.com/JuliaCon/www.juliacon.org have been recompressed several times in a row:

• Compressed Images JuliaCon/www.juliacon.org#712
• Compressed Images JuliaCon/www.juliacon.org#715
• Compressed Images JuliaCon/www.juliacon.org#716
• Compressed Images JuliaCon/www.juliacon.org#717
• Compressed Images JuliaCon/www.juliacon.org#718
• Compressed Images JuliaCon/www.juliacon.org#719
• Compressed Images JuliaCon/www.juliacon.org#720
• Compressed Images JuliaCon/www.juliacon.org#721

In particular, https://github.com/JuliaCon/www.juliacon.org/commits/cd8f07dd4273f883cb9f882d6f47d0cc1a38fba0/_assets/2024/img/marketingmaterials/templateB-1photo.png was recompressed eight times.

Why aren't images compressed at maximum level once and for all? This endless cycle didn't happen with v1.2.0.

How To Reproduce

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Screenshots

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Relevant Log Output

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