fix: shrink enclave size of zksync-tee-prover (#2609)

## What ❔

Shrink the enclave size of `zksync-tee-prover`.

## Why ❔

32G was a bit of safe guard while testing. 8G seems to be enough and
will fit better the memory size of the Azure nodes.

## Checklist

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- [x] PR title corresponds to the body of PR (we generate changelog
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- [ ] Tests for the changes have been added / updated.
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- [x] Code has been formatted via `zk fmt` and `zk lint`.

Signed-off-by: Harald Hoyer <[email protected]>

etc/nix/container-tee_prover.nix

@@ -41,7 +41,7 @@ nixsgxLib.mkSGXContainer {
 
     sgx = {
       edmm_enable = false;
-      enclave_size = "32G";
+      enclave_size = "8G";
       max_threads = 128;
     };
   };