fix(orbs): use npm versionScheme for ranges

lib/manager/circleci/extract.js

@@ -32,7 +32,7 @@ function extractPackageFile(content) {
               lineNumber,
               purl: 'pkg:orb/' + orbName,
               commitMessageTopic: '{{{depName}}} orb',
-              versionScheme: 'semver',
+              versionScheme: 'npm',
               rangeStrategy: 'pin',
             };
             deps.push(dep);

test/manager/circleci/__snapshots__/extract.spec.js.snap

@@ -59,7 +59,7 @@ Array [
     "lineNumber": 3,
     "purl": "pkg:orb/hutson/library-release-workflows",
     "rangeStrategy": "pin",
-    "versionScheme": "semver",
+    "versionScheme": "npm",
   },
   Object {
     "commitMessageTopic": "{{{depName}}} orb",
@@ -69,7 +69,7 @@ Array [
     "lineNumber": 4,
     "purl": "pkg:orb/abc/def",
     "rangeStrategy": "pin",
-    "versionScheme": "semver",
+    "versionScheme": "npm",
   },
   Object {
     "commitMessageTopic": "{{{depName}}} orb",
@@ -79,7 +79,7 @@ Array [
     "lineNumber": 5,
     "purl": "pkg:orb/zzz/zzz",
     "rangeStrategy": "pin",
-    "versionScheme": "semver",
+    "versionScheme": "npm",
   },
   Object {
     "currentDepTag": "python:3.7",