Fix invalid character

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
   shellcheck:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 0
       - name: Install Nix

.github/workflows/update.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
       - name: Install Nix
         uses: DeterminateSystems/nix-installer-action@main
       - name: Enable magic Nix cache

.github/workflows/validate.yml

@@ -8,7 +8,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 0
       - name: Validate YAML

action.yml

@@ -115,7 +115,7 @@ runs:
       uses: crazy-max/ghaction-import-gpg@v5
       with:
         gpg_private_key: ${{ inputs.gpg-private-key }}
-        fingerprint: ${{ inputs.gpg-fingerprint }}
+        fingerprint: ${{ inputs.gpg-fingerprint }}
         passphrase: ${{ inputs.gpg-passphrase }}
         git_config_global: true
         git_user_signingkey: true