Group renovate updates for hipparchus and errorprone (#1810)

Author: laurit

.github/renovate.json5

@@ -114,6 +114,18 @@
         'com.diffplug.spotless{/,}**',
       ],
     },
+    {
+      groupName: 'hipparchus packages',
+      matchPackageNames: [
+        'org.hipparchus{/,}**',
+      ],
+    },
+    {
+      groupName: 'errorprone packages',
+      matchPackageNames: [
+        'com.google.errorprone{/,}**',
+      ],
+    },
     {
       // pinned version for compatibility with java 8 JFR parsing
       matchUpdateTypes: [