resolved #407: Allocation failure when uploading larger files. (#408)

* resolved #407: Allocation failure when uploading larger files.

* added concurrent multipart upload support (faster upload)

* [skip ci] Update mappings

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Co-authored-by: r2-action-bot[bot] <118486773+r2-action-bot[bot]@users.noreply.github.com>

action.yml

@@ -27,6 +27,18 @@ inputs:
     description: ''
     default: 'true'
     required: false
+  multipart-size:
+    description: 'use multipart upload when file size is greater than this value (MB)'
+    default: '100'
+    required: false
+  max-retries:
+    description: 'maximum number of retries'
+    default: '5'
+    required: false
+  multipart-concurrent:
+    description: 'whether to use concurrent while multipart upload'
+    default: 'true'
+    required: false
 outputs:
   result:
     description: '`success` or `failure`'