test: use basic auth in postman collection

docs/postman/C4IT-F4SD-M42WebApi.postman_collection.json

@@ -6,26 +6,16 @@
     "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
   },
   "auth": {
-    "type": "ntlm",
-    "ntlm": [
+    "type": "basic",
+    "basic": [
       {
         "key": "username",
-        "value": "{{ntlmUsername}}",
+        "value": "{{basicUsername}}",
         "type": "string"
       },
       {
         "key": "password",
-        "value": "{{ntlmPassword}}",
-        "type": "string"
-      },
-      {
-        "key": "domain",
-        "value": "{{ntlmDomain}}",
-        "type": "string"
-      },
-      {
-        "key": "workstation",
-        "value": "{{ntlmWorkstation}}",
+        "value": "{{basicPassword}}",
         "type": "string"
       }
     ]
@@ -58,20 +48,12 @@
       "value": "https://srvwsm001.imagoverum.com/m42Services"
     },
     {
-      "key": "ntlmDomain",
-      "value": "imagoverum"
+      "key": "basicUsername",
+      "value": "imagoverum\\vvogel"
     },
     {
-      "key": "ntlmUsername",
-      "value": ""
-    },
-    {
-      "key": "ntlmPassword",
-      "value": ""
-    },
-    {
-      "key": "ntlmWorkstation",
-      "value": ""
+      "key": "basicPassword",
+      "value": "Matrix42"
     },
     {
       "key": "sid",