Change type of field SearchBlob.id to String (#940)

Fixes #936

Co-authored-by: Ипполитов Вадим Дмитриевич <vippolitov@poidem.ru>

src/main/java/org/gitlab4j/api/models/SearchBlob.java

@@ -7,7 +7,7 @@ public class SearchBlob {
     private String basename;
     private String data;
     private String filename;
-    private Long id;
+    private String id;
     private String ref;
     private Integer startline;
     private Long projectId;
@@ -36,11 +36,11 @@ public class SearchBlob {
         this.filename = filename;
     }
 
-    public Long getId() {
+    public String getId() {
         return id;
     }
 
-    public void setId(Long id) {
+    public void setId(String id) {
         this.id = id;
     }
 

src/test/resources/org/gitlab4j/api/wiki-blobs.json

@@ -3,7 +3,7 @@
     "basename": "home",
     "data": "hello\n\nand bye\n\nend",
     "filename": "home.md",
-    "id": 123,
+    "id": "a0b24fa71d6d8cef7393e877c608496f91ded0f6",
     "ref": "master",
     "startline": 5,
     "project_id": 6