Fix misspelling of Log Stream Prefix variable in manifest for aws-clo…

[francescayeye]

…udwatch input

Bug

What does this PR do?

Fix a type in manifest of aws integrations for cloudwatch logs input (log_stream_prefix vs log_streams_prefix)

Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Author's Checklist

• [ ]

How to test this PR locally

Related issues

Closes #3608

Screenshots

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• Start Time: 2022-06-29T03:49:56.128+0000

• Duration: 36 min 56 sec

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (11/11)	💚
Files	91.667% (11/12)	👎 -4.932
Classes	91.667% (11/12)	👎 -4.932
Methods	82.464% (174/211)	👎 -6.398
Lines	92.673% (2087/2252)	👍 2.726
Conditionals	100.0% (0/0)	💚

[girodav]

LGTM!

[nugroho-exp]

@aspacca Shouldn't the version of the aws_logs package be increased as well?

[francescayeye]

@nugroho-exp good catch! thanks