fix: mongodb_exporter lint issues

roles/mongodb_exporter/defaults/main.yml

@@ -10,7 +10,7 @@ mongodb_exporter_skip_install: false
 mongodb_exporter_web_listen_address: "0.0.0.0:9216"
 mongodb_exporter_web_telemetry_path: "/metrics"
 
-# mongodb_exporter_uri: "mongodb://127.0.0.1:27017/admin?ssl=false"
+mongodb_exporter_uri: ""
 mongodb_exporter_collectors: []
 mongodb_exporter_collstats_colls: []
 mongodb_exporter_indexstats_colls: []

roles/mongodb_exporter/meta/argument_specs.yml

@@ -22,7 +22,7 @@ argument_specs:
           - "This overrides the I(mongodb_exporter_version) parameter"
       mongodb_exporter_binary_url:
         description: "URL of the mongodb_exporter binaries .tar.gz file"
-        default: "https://github.com/{{ _mongodb_exporter_repo }}/releases/download/v{{ mongodb_exporter_version }}/mongodb_exporter-{{ mongodb_exporter_version }}.linux-{{ go_arch }}.tar.gz"                  
+        default: "https://github.com/{{ _mongodb_exporter_repo }}/releases/download/v{{ mongodb_exporter_version }}/mongodb_exporter-{{ mongodb_exporter_version }}.linux-{{ go_arch }}.tar.gz"
       mongodb_exporter_checksums_url:
         description: "URL of the mongodb_exporter checksums file"
         default: "https://github.com/{{ _mongodb_exporter_repo }}/releases/download/v{{ mongodb_exporter_version }}/mongodb_exporter_{{ mongodb_exporter_version }}_checksums.txt"
@@ -57,8 +57,9 @@ argument_specs:
       mongodb_exporter_uri:
         description: "MongoDB connection URI"
         required: true
+        type: "str"
       mongodb_exporter_collectors:
-        description: 
+        description:
           - "List collectors from L(documantation, https://github.com/percona/mongodb_exporter/blob/main/REFERENCE.md)."
           - "You can specify 'all' to enable all collectors"
       mongodb_exporter_collstats_colls: