fix: trim urls from getPkgReleases

Closes #3169

lib/datasource/metadata.js

@@ -91,7 +91,9 @@ function addMetaData(dep, datasource, lookupName) {
   // Clean up any empty urls
   const urls = ['homepage', 'sourceUrl', 'changelogUrl'];
   for (const url of urls) {
-    if (!is.nonEmptyString(dep[url])) {
+    if (is.nonEmptyString(dep[url])) {
+      dep[url] = dep[url].trim();
+    } else {
       delete dep[url];
     }
   }

test/datasource/index.spec.js

@@ -52,4 +52,14 @@ describe('datasource/index', () => {
     expect(res).toMatchSnapshot();
     expect(res.sourceUrl).toBeDefined();
   });
+  it('trims sourceUrl', async () => {
+    npmDatasource.getPkgReleases.mockReturnValue({
+      sourceUrl: ' https://abc.com',
+    });
+    const res = await datasource.getPkgReleases({
+      datasource: 'npm',
+      depName: 'abc',
+    });
+    expect(res.sourceUrl).toEqual('https://abc.com');
+  });
 });