chore(deps): bump the actions group with 3 updates

Bumps the actions group with 3 updates: [actions/checkout](https://github.com/actions/checkout), [erlef/setup-beam](https://github.com/erlef/setup-beam) and [trufflesecurity/trufflehog](https://github.com/trufflesecurity/trufflehog).


Updates `actions/checkout` from 4 to 6
- [Release notes](https://github.com/actions/checkout/releases)
- [Commits](actions/checkout@v4...v6)

Updates `erlef/setup-beam` from 1.22.0 to 1.23.0
- [Release notes](https://github.com/erlef/setup-beam/releases)
- [Commits](erlef/setup-beam@9d5b75d...ee09b1e)

Updates `trufflesecurity/trufflehog` from 3.93.8 to 3.94.0
- [Release notes](https://github.com/trufflesecurity/trufflehog/releases)
- [Commits](trufflesecurity/trufflehog@6c05c4a...6c64db9)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: erlef/setup-beam
  dependency-version: 1.23.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: trufflesecurity/trufflehog
  dependency-version: 3.94.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/boj-build.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Trigger BoJ Server (Casket/ssg-mcp)
         run: |

.github/workflows/hypatia-scan.yml

@@ -25,7 +25,7 @@ jobs:
           fetch-depth: 0  # Full history for better pattern analysis
 
       - name: Setup Elixir for Hypatia scanner
-        uses: erlef/setup-beam@9d5b75ddfda22fb979d2270283237aef8aa68d6b # v1.18.2
+        uses: erlef/setup-beam@ee09b1e59bb240681c382eb1f0abc6a04af72764 # v1.18.2
         with:
           elixir-version: '1.19.4'
           otp-version: '28.3'

.github/workflows/quality.yml

@@ -18,7 +18,7 @@ jobs:
           find . -type f -perm /111 -name "*.sh" | head -10 || true
       
       - name: Check for secrets
-        uses: trufflesecurity/trufflehog@6c05c4a00b91aa542267d8e32a8254774799d68d # v3.93.8
+        uses: trufflesecurity/trufflehog@6c64db94d5b2e09d7e0948fb6bd3166cc6fffbc7 # v3.94.0
         with:
           path: ./
           base: ${{ github.event.pull_request.base.sha || github.event.before }}

.github/workflows/secret-scanner.yml

@@ -18,7 +18,7 @@ jobs:
           fetch-depth: 0  # Full history for scanning
 
       - name: TruffleHog Secret Scan
-        uses: trufflesecurity/trufflehog@6c05c4a00b91aa542267d8e32a8254774799d68d # v3
+        uses: trufflesecurity/trufflehog@6c64db94d5b2e09d7e0948fb6bd3166cc6fffbc7 # v3
         with:
           extra_args: --only-verified --fail