chore: fix pipeline linter errors

Author: chutch3

scripts/configure_dns_records.sh

@@ -292,6 +292,7 @@ if [ "${BASH_SOURCE[0]}" = "${0}" ]; then
     fi
 
     # Source environment variables
+    # shellcheck source=/dev/null
     source "$PROJECT_ROOT/.env"
 
     # Extract driver machine IP from machines.yaml

scripts/nuke.sh

@@ -53,6 +53,7 @@ cleanup_dns_records() {
 
   # Source environment variables if available
   if [ -f "$PROJECT_ROOT/.env" ]; then
+    # shellcheck source=/dev/null
     source "$PROJECT_ROOT/.env"
   fi