fix dep install

Author: critesjosh

.github/workflows/with_foundry.yaml

@@ -48,7 +48,7 @@ jobs:
         shell: bash
 
       - name: Install forge dependencies
-        run: forge install
+        run: forge install 0xnonso/foundry-noir-helper --no-commit
         working-directory: with-foundry
 
       - name: Generate verifier contract

with-foundry/README.md

@@ -31,7 +31,7 @@ Install [noirup](https://noir-lang.org/docs/getting_started/installation/#instal
 curl -L https://foundry.paradigm.xyz | bash
 ```
 
-4. Install foundry dependencies by running `forge install`.
+4. Install foundry dependencies by running `forge install 0xnonso/foundry-noir-helper --no-commit`.
 
 5. Install `bbup`, the tool for managing Barretenberg versions, by following the instructions
    [here](https://github.com/AztecProtocol/aztec-packages/blob/master/barretenberg/bbup/README.md#installation).