support withCredentials -- groovy file from tabs to spaces

Author: tiago-teixeira5

src/test/resources/com/dabsquared/gitlabjenkins/connection/pipeline/withCredentials-pipeline.groovy

@@ -1,18 +1,18 @@
 package com.dabsquared.gitlabjenkins.connection.pipeline
 
 node {
-	withCredentials([[
-		$class: 'com.dabsquared.gitlabjenkins.connection.GitLabApiTokenBinding',
-		credentialsId: "apiTokenId",
-		variable: "API_TOKEN1"
-	]]) {
-		println "Token1 is ${API_TOKEN1.substring(1)}"
-	}
+    withCredentials([[
+        $class: 'com.dabsquared.gitlabjenkins.connection.GitLabApiTokenBinding',
+        credentialsId: "apiTokenId",
+        variable: "API_TOKEN1"
+    ]]) {
+        println "Token1 is ${API_TOKEN1.substring(1)}"
+    }
 
-	withCredentials([gitlabApiToken(
-		credentialsId: "apiTokenId",
-		variable: "API_TOKEN2"
-	)]) {
-		println "Token2 is ${API_TOKEN2.substring(1)}"
-	}
+    withCredentials([gitlabApiToken(
+        credentialsId: "apiTokenId",
+        variable: "API_TOKEN2"
+    )]) {
+        println "Token2 is ${API_TOKEN2.substring(1)}"
+    }
 }