chore(fix): fix region tag

[minherz]

replace incorrect region tag in the sample code.

[snippet-bot]

Here is the summary of changes.

You are about to add 1 region tag.

• samples/snippets/src/main/java/com/example/logging/TailLogEntries.java:19, tag logging_tail_log_entries

You are about to delete 1 region tag.

• samples/snippets/src/main/java/com/example/logging/TailLogEntries.java:19, tag logging_write_log_entry

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