Reproduction steps:
1. Open the attached project “AddressablesSizeRepro”
2. Open Window > Asset Management > Addressables > Groups window
3. In the Addressables Groups window build the AssetBundles (Build > New Build > Default Build Script)
4. Open the “\{Project root folder}/Library/com.unity.addressables/aa/OSX/StandaloneOSX” folder
5. In the opened folder find “testgroup_assets_all_dd906f98ffeccb55ee4bb99f4b4d559e.bundle” file and check its size

Expected result: The file size is 271 KB
Actual result: The file size is 525 KB or bigger

Reproducible with: 1.21.3 (2020.3.47f1), 1.21.10 (2020.3.47f1, 2021.3.23f1, 2022.2.16f1, 2023.1.0b13, 2023.2.0a11)
Not reproducible with: 1.21.2 (2020.3.47f1)

Reproducible on: macOS 13.3 (Intel)

Note: The folder path can differ depending on the used OS