chore(ci): checkout repo with fetch-depth 0 to get commit hash

The COMMIT_HASH computed variable needs fetch-depth=0 to be able
to get the versions of the repository.

.github/workflows/gpu_4090_full_benchmark.yml

@@ -39,6 +39,8 @@ jobs:
     steps:
       - name: Checkout tfhe-rs
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        with:
+          fetch-depth: 0
 
       - name: Get benchmark details
         run: |
@@ -116,6 +118,8 @@ jobs:
     steps:
       - name: Checkout tfhe-rs
         uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        with:
+          fetch-depth: 0
 
       - name: Get benchmark details
         run: |