move version_config out of api into main gateway src

[nagmo-starkware]

Pull Request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build-related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this introduce a breaking change?

• Yes
• No

Other information

---

This change is 

[nagmo-starkware]

Current dependencies on/for this PR:

• main
  • PR move block into version specific module #829
    • PR mobe state into version specific module #830
      • PR mobe depracted_contract_class into version specific module #831
        • PR move transactions into version specific module #832
          • PR move version_config out of api into main gateway src #833 👈
            • PR move api into main specific version folder #834
              • PR prefix spec resource with version id #837
                • PR move contract class tests to its one file #845
                  • PR move event chunk and gatway contract class structs to version folder #846
                  • PR use super for version imports #850
                  • PR prepare v0.3.0 for v0.4.0 addition #875
                  • PR remove brodcasted transactions #876
                  • PR rename into rpc method #880
                  • PR starknet api version change #879
                  • PR storage changes #882
                  • PR more storage changes #883
                  • PR unneeded changes? #885
                  • PR add v0.4.0 not connected to endpoint #877
                  • PR feat: add tracing test to cargo #878
                  • PR connect v0.4.0 to api endpoint #881
                  • PR add missing types in test utils #884
                  • PR add support for v0.4.0 #872

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[codecov]

Codecov Report

Merging #833 (5d7d39a) into main (4ede747) will decrease coverage by 0.21%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #833      +/-   ##
==========================================
- Coverage   72.40%   72.20%   -0.21%     
==========================================
  Files          45       45              
  Lines        4367     4367              
  Branches     4367     4367              
==========================================
- Hits         3162     3153       -9     
- Misses        555      568      +13     
+ Partials      650      646       -4     

Impacted Files	Coverage Δ
crates/papyrus_gateway/src/api/mod.rs	71.05% <ø> (ø)
crates/papyrus_gateway/src/lib.rs	68.51% <ø> (ø)
crates/papyrus_gateway/src/middleware.rs	80.76% <ø> (ø)
crates/papyrus_gateway/src/version_config.rs	50.00% <ø> (ø)

... and 2 files with indirect coverage changes

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[dan-starkware]

Reviewed 6 of 6 files at r1, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @DvirYo-starkware)

The merge-base changed after approval.

[dan-starkware]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @DvirYo-starkware)