Migrate to new maven package for httpclient #330
Description
Christian noted:
More broadly we probably want to migrate to the new maven package for httpclient
v3: https://mvnrepository.com/artifact/commons-httpclient/commons-httpclient (currently used)
v4: https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient
v5: https://mvnrepository.com/artifact/org.apache.httpcomponents.client5/httpclient5