add new subject-version input (#364)

Signed-off-by: Brian DeHamer <bdehamer@github.com>

dist/index.js

@@ -120899,7 +120899,8 @@ const createAttestation = async (subjects, predicate, opts) => {
                 const registryUrl = getRegistryURL(subject.name);
                 const artifactOpts = {
                     name: subject.name,
-                    digest: subjectDigest
+                    digest: subjectDigest,
+                    version: opts.subjectVersion || undefined
                 };
                 const packageRegistryOpts = {
                     registryUrl
@@ -121157,6 +121158,7 @@ async function run(inputs) {
             sigstoreInstance,
             pushToRegistry: inputs.pushToRegistry,
             createStorageRecord: inputs.createStorageRecord,
+            subjectVersion: inputs.subjectVersion,
             githubToken: inputs.githubToken
         });
         logAttestation(subjects, att, sigstoreInstance);
@@ -121298,6 +121300,7 @@ const inputs = {
     predicatePath: getInput('predicate-path'),
     pushToRegistry: getBooleanInput('push-to-registry'),
     createStorageRecord: getBooleanInput('create-storage-record'),
+    subjectVersion: getInput('subject-version'),
     showSummary: getBooleanInput('show-summary'),
     githubToken: getInput('github-token'),
     // undocumented -- not part of public interface