Reduce memory usage, faster copies and other small improvements

[rodoufu]

• Using Arc<PriceEntry> and Arc<ProductEntry> in UpdateProductAccountUpdate and Update::PriceAccountUpdate to decrease the size difference between the variants.
• Using Arc<PriceEntry> and Arc<ProductEntry> in maps to reduce clone time by only cloning the reference
• Replacing imutable strings by SmolStr
• Remove unnecessary clone on Copy
• Fix audit issue:

Crate:     rustls                                                                                               
Version:   0.21.10                                                                                              
Title:     `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input      
Date:      2024-04-19                                                                                           
ID:        RUSTSEC-2024-0336                                                                                    
URL:       https://rustsec.org/advisories/RUSTSEC-2024-0336                                                     
Severity:  7.5 (high)                                                                                           
Solution:  Upgrade to >=0.23.5 OR >=0.22.4, <0.23.0 OR >=0.21.11, <0.22.0

[rodoufu]

@ali-bahjati what are you using for formatting and clippy so I can use the same?

[ali-behjati]

@rodoufu if you install pre-commit and run it it should fix it. I can handle it regardless myself.

[rodoufu]

@rodoufu if you install pre-commit and run it it should fix it. I can handle it regardless myself.

Thanks @ali-bahjati , I totally missed that file in the project.
I have just fixed the formatting issues:

$ pre-commit --version && pre-commit run --all-files && echo $?
pre-commit 4.1.0

Trim Trailing Whitespace.................................................Passed
Fix End of Files.........................................................Passed
Check for added large files..............................................Passed
rustfmt..................................................................Failed
- hook id: cargo-fmt-nightly
- files were modified by this hook
Integration Test Artifact Checksums......................................Passed

Now everything looks green.

$ pre-commit --version && pre-commit run --all-files && echo $?
pre-commit 4.1.0

Trim Trailing Whitespace.................................................Passed
Fix End of Files.........................................................Passed
Check for added large files..............................................Passed
rustfmt..................................................................Passed
Integration Test Artifact Checksums......................................Passed

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