Refactor - Moves SBPFVersion, FunctionRegistry, BuiltinFunction and BuiltinProgram into a new file

[Lichtso]

No description provided.

[codecov-commenter]

Codecov Report

Merging #526 (e08c771) into main (42c5e90) will decrease coverage by 0.01%.
The diff coverage is 76.16%.

❗ Current head e08c771 differs from pull request most recent head 193bba0. Consider uploading reports for the commit 193bba0 to get more accurate results

@@            Coverage Diff             @@
##             main     #526      +/-   ##
==========================================
- Coverage   90.18%   90.17%   -0.01%     
==========================================
  Files          22       23       +1     
  Lines       10057    10058       +1     
==========================================
  Hits         9070     9070              
- Misses        987      988       +1     

Files	Coverage Δ
src/assembler.rs	99.07% <ø> (ø)
src/disassembler.rs	84.72% <ø> (ø)
src/elf.rs	86.91% <ø> (+0.08%)	⬆️
src/jit.rs	92.20% <ø> (ø)
src/lib.rs	75.00% <ø> (ø)
src/memory_region.rs	94.26% <ø> (ø)
src/syscalls.rs	98.49% <ø> (ø)
src/verifier.rs	98.00% <ø> (ø)
src/vm.rs	81.16% <ø> (+5.22%)	⬆️
src/program.rs	76.16% <76.16%> (ø)