chore: fix pedersen_compress_with_hash_index c_bind function (#3054)

- Makes `pedersen_compress_with_hash_index` adhere to the calling
convention of c_bind_new
- eagerly allocate input for now, which is correct but not optimal

# Checklist:
Remove the checklist to signal you've completed it. Enable auto-merge if
the PR is ready to merge.
- [ ] If the pull request requires a cryptography review (e.g.
cryptographic algorithm implementations) I have added the 'crypto' tag.
- [ ] I have reviewed my diff in github, line by line and removed
unexpected formatting changes, testing logs, or commented-out code.
- [ ] Every change is related to the PR description.
- [ ] I have
[linked](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue)
this pull request to relevant issues (if any exist).

---------

Co-authored-by: Leila Wang <[email protected]>

cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.cpp

@@ -20,7 +20,7 @@ WASM_EXPORT void pedersen__compress(uint8_t const* inputs_buffer, uint8_t* outpu
     barretenberg::fr::serialize_to_buffer(r, output);
 }
 
-WASM_EXPORT void pedersen__compress_with_hash_index(uint8_t const* inputs_buffer, uint8_t* output, uint32_t hash_index)
+WASM_EXPORT void pedersen__compress_with_hash_index(uint8_t const* inputs_buffer, uint32_t hash_index, uint8_t* output)
 {
     std::vector<grumpkin::fq> to_compress;
     read(inputs_buffer, to_compress);

cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.hpp

@@ -10,7 +10,7 @@ WASM_EXPORT void pedersen__compress_fields(uint8_t const* left, uint8_t const* r
 
 WASM_EXPORT void pedersen__compress(uint8_t const* inputs_buffer, uint8_t* output);
 
-WASM_EXPORT void pedersen__compress_with_hash_index(uint8_t const* inputs_buffer, uint8_t* output, uint32_t hash_index);
+WASM_EXPORT void pedersen__compress_with_hash_index(uint8_t const* inputs_buffer, uint32_t hash_index, uint8_t* output);
 WASM_EXPORT void pedersen__commit(uint8_t const* inputs_buffer, uint8_t* output);
 
 WASM_EXPORT void pedersen__buffer_to_field(uint8_t const* data, size_t length, uint8_t* r);