[BugFix] MaxValueWriter cuda compatibility

[albertbou92]

Description

When calling extend, a new tensor containing the new index values is created but its device was not specified, which caused problem when the data was in GPU. Now it is created in whatever device the data is.

Motivation and Context

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You can use the syntax close #15213 if this solves the issue #15213

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[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/rl/1689

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❌ 3 New Failures, 7 Unrelated Failures

As of commit fa3b951 with merge base 8ca7a39 ():

NEW FAILURES - The following jobs have failed:

• Examples Tests on Linux / tests (3.9, 12.1) / linux-job (gh)
• Unit-tests on MacOS CPU / tests (3.11) / macos-job (gh)
• Unit-tests on MacOS CPU / tests (3.8) / macos-job (gh)

FLAKY - The following jobs failed but were likely due to flakiness present on trunk:

• Continuous Benchmark (PR) / CPU Pytest benchmark (gh)
• Continuous Benchmark (PR) / GPU Pytest benchmark (linux.4xlarge.nvidia.gpu, 3.8) (gh)
• Continuous Benchmark / GPU Pytest benchmark (linux.4xlarge.nvidia.gpu, 3.8) (gh)
• Generate documentation / build_docs_job (gh)
• Habitat Tests on Linux / tests (3.9, 11.6) / linux-job (gh)
• Unit-tests on Linux CPU / tests (3.8) / linux-job (gh)
• Unit-tests on Windows GPU / unittests / windows-job (gh)

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[vmoens]

LGTM thanks