fix: handle undefined depType in onboarding PR

lib/workers/repository/onboarding/pr/pr-list.js

@@ -38,7 +38,11 @@ function getPrList(config) {
         } else {
           prDesc += upgrade.depName.replace(prTitleRe, '@​$1');
         }
-        prDesc += ` in \`${upgrade.depType}\` `;
+        if (upgrade.depType) {
+          prDesc += ` in \`${upgrade.depType}\` `;
+        } else {
+          prDesc += ' ';
+        }
         if (!upgrade.isPin) {
           prDesc += `from \`${upgrade.currentVersion}\` `;
         }

test/workers/repository/onboarding/pr/__snapshots__/pr-list.spec.js.snap

@@ -10,7 +10,7 @@ With your current configuration, Renovate will create 2 Pull Requests:
 
   - Branch name: \`renovate/pin-dependencies\`
   - Pins [a](https://a) in \`devDependencies\` to \`1.1.0\`
-  - Pins b in \`devDependencies\` to \`1.5.3\`
+  - Pins b to \`1.5.3\`
 
 
 2. **Update a to v2**

test/workers/repository/onboarding/pr/pr-list.spec.js

@@ -45,7 +45,6 @@ describe('workers/repository/onboarding/pr/pr-list', () => {
             {
               isPin: true,
               depName: 'b',
-              depType: 'devDependencies',
               newVersion: '1.5.3',
             },
           ],