v1.14: [zk-token-sdk] Add option to create proof context state in the proof verification program (backport of #29996)

[mergify]

This is an automatic backport of pull request #29996 done by Mergify.
Cherry-pick of 2d58bb2 has failed:

On branch mergify/bp/v1.14/pr-29996
Your branch is up to date with 'origin/v1.14'.

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Changes to be committed:
	new file:   programs/zk-token-proof-tests/Cargo.toml
	new file:   programs/zk-token-proof-tests/tests/process_transaction.rs
	modified:   programs/zk-token-proof/src/lib.rs
	modified:   zk-token-sdk/src/instruction/close_account.rs
	modified:   zk-token-sdk/src/instruction/mod.rs
	modified:   zk-token-sdk/src/instruction/pubkey_validity.rs
	modified:   zk-token-sdk/src/instruction/transfer_with_fee.rs
	modified:   zk-token-sdk/src/instruction/withdraw.rs
	modified:   zk-token-sdk/src/instruction/withdraw_withheld.rs
	modified:   zk-token-sdk/src/lib.rs
	modified:   zk-token-sdk/src/zk_token_elgamal/pod.rs
	modified:   zk-token-sdk/src/zk_token_proof_instruction.rs
	new file:   zk-token-sdk/src/zk_token_proof_state.rs

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   Cargo.lock
	both modified:   Cargo.toml
	both modified:   programs/bpf/Cargo.lock
	both modified:   zk-token-sdk/src/instruction/transfer.rs

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[codecov]

Codecov Report

Merging #30739 (11b2017) into v1.14 (ee657ce) will decrease coverage by 0.1%.
The diff coverage is 34.5%.

@@            Coverage Diff            @@
##            v1.14   #30739     +/-   ##
=========================================
- Coverage    82.1%    82.1%   -0.1%     
=========================================
  Files         662      663      +1     
  Lines      184916   185053    +137     
=========================================
+ Hits       151986   152003     +17     
- Misses      32930    33050    +120