chore(deps): update actions/checkout digest to a5ac7e5 (#72)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [actions/checkout](https://togithub.com/actions/checkout) | action |
digest | `0ad4b8f` -> `a5ac7e5` |

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.github/workflows/nix.yml

@@ -14,7 +14,7 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
         with:
           extra_nix_config: |
@@ -24,7 +24,7 @@ jobs:
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
         with:
           extra_nix_config: |
@@ -34,7 +34,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+      - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26
         with:
           extra_nix_config: |

.github/workflows/secrets_scanner.yaml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
         with:
           fetch-depth: 0
       - name: TruffleHog OSS