update contributors

doap.rdf

@@ -21,12 +21,12 @@
     See the License for the specific language governing permissions and
     limitations under the License.
 -->
-  <Project rdf:about="http://linkis.apache.org/">
+  <Project rdf:about="https://linkis.apache.org/">
     <created>2022-02-08</created>
     <license rdf:resource="http://spdx.org/licenses/Apache-2.0" />
     <name>Apache Linkis</name>
-    <homepage rdf:resource="http://linkis.apache.org/" />
-    <asfext:pmc rdf:resource="http://linkis.apache.org" />
+    <homepage rdf:resource="https://linkis.apache.org/" />
+    <asfext:pmc rdf:resource="https://linkis.apache.org" />
     <shortdesc>Apache Linkis builds a layer of computation middleware between upper applications and underlying engines.</shortdesc>
     <description>Apache Linkis is a computation middleware project, which decouples the upper applications and the underlying data engines, provides standardized interfaces (REST, JDBC etc.) to easily connect to various underlying engines (Spark, Presto, Flink, etc.).</description>
     <bug-database rdf:resource="https://github.com/apache/linkis/issues" />
@@ -40,7 +40,7 @@
     </repository>
     <programming-language>Java</programming-language>
     <programming-language>Scala</programming-language>
-    <category rdf:resource="http://projects.apache.org/category/big-data" />
+    <category rdf:resource="https://projects.apache.org/projects.html?category#big-data" />
   </Project>
 </rdf:RDF>