fix: support upload object without content type #10213

Job	Run time
Check if secrets are available.	2s
Build lakeFS HadoopFS	31s
Generate code from latest lakeFS app	32s
Prepare Spark Apps	58s
Build metadata client for Spark 3.x	10s
Build and push rclone export Docker image	27s
login-to-amazon-ecr	7s
Build and push Docker image	2m 18s
Test unified gc	2m 11s
Test lakeFS Hadoop FileSystem	4m 39s
Test lakeFS multipart upload with Hadoop S3A	1m 50s
Test lakeFS with Spark 2.X	9m 5s
Test lakeFS rclone export functionality	45s
Test lakeFS with Spark 3.X	6m 11s
Test lakeFS metadata client export with Spark 3.x	1m 29s
Test metastore client commands using trino	1m 18s
Test lakeFS against the python wrapper client	1m 49s
Run latest lakeFS app on AWS S3	5m 42s
Run latest lakeFS app on AWS S3 DynamoDB KV	5m 43s
Run latest lakeFS app on Azure with Azure blobstore	8m 16s
Run latest lakeFS app on Azure with Azure Data Lake Storage Gen2 and CosmosDB	15m 5s
Run latest lakeFS app on Google Cloud Platform and Google Cloud Storage	3m 39s
	1h 12m 47s

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