Fix config array syntax in action.yml

Update config array syntax to use quotes for items.

.github/actions/TTL/action.yml

@@ -8,9 +8,9 @@ runs:
     shell: bash
     run: |
      config=(
-     CONFIG_IP_NF_TARGET_TTL=y
-     CONFIG_IP6_NF_TARGET_HL=y
-     CONFIG_IP6_NF_MATCH_HL=y
+     "CONFIG_IP_NF_TARGET_TTL=y"
+     "CONFIG_IP6_NF_TARGET_HL=y"
+     "CONFIG_IP6_NF_MATCH_HL=y"
      )
 
      for config in "${configs[@]}"; do