chore: fix Release pipeline (hyperlane-xyz#5447)

### Description

chore: fix Release pipeline
- added gitleaks to precommit, but this is not installed by default on
github actions
- so skipping gitleaks checks in CI

### Drive-by changes

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Are there any minor or drive-by changes also included?
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### Related issues

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- Fixes #[issue number here]
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### Backward compatibility

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implications, e.g. changes that would prohibit deploying older commits
using this infra tooling?

Yes/No
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### Testing

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.husky/pre-commit

@@ -1,14 +1,16 @@
 #!/usr/bin/env sh
 . "$(dirname -- "$0")/_/husky.sh"
 
-# Check for potential secrets in staged files
-echo "🔍 Checking for potential secrets in staged files..."
-if git diff --cached --name-only | xargs gitleaks protect --staged --verbose --redact --config .gitleaks.toml; then
-    echo "✅ No secrets detected"
-else
-    echo "❌ Potential secrets detected in your changes!"
-    echo "Please remove any secrets, credentials, or sensitive information before committing."
-    exit 1
+# If not in GitHub Actions, check for potential secrets in staged files
+if [ "$GITHUB_ACTIONS" != "true" ]; then
+    echo "🔍 Checking for potential secrets in staged files..."
+    if git diff --cached --name-only | xargs gitleaks protect --staged --verbose --redact --config .gitleaks.toml; then
+        echo "✅ No secrets detected"
+    else
+        echo "❌ Potential secrets detected in your changes!"
+        echo "Please remove any secrets, credentials, or sensitive information before committing."
+        exit 1
+    fi
 fi
 
 yarn lint-staged