Limit scrape_config_files to supported versions

Signed-off-by: Leonhard Mayr <leonhard.mayr@manz.at>

roles/prometheus/meta/argument_specs.yml

@@ -153,6 +153,7 @@ argument_specs:
       prometheus_scrape_config_files:
         description:
           - "List of folders where ansible will look for files containing custom scrape config configuration files which will be copied to C({{ prometheus_config_dir }}/scrapes/)."
+          - "This feature is available starting from Prometheus v2.43.0."
         type: "list"
         elements: "str"
         default:

roles/prometheus/templates/prometheus.yml.j2

@@ -35,7 +35,9 @@ alerting:
 scrape_configs:
   {{ prometheus_scrape_configs | to_nice_yaml(indent=2,sort_keys=False) | indent(2,False) }}
 
+{% if prometheus_version is version('2.43.0', '>=') %}
 {% if prometheus_scrape_config_files != [] %}
 scrape_config_files:
   - scrapes/*
 {% endif %}
+{% endif %}