Update Multiome.wdl

[rsc3]

Aliased the peakcalling task as MultiomePeakCalling

Description

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Please explain the changes you made here.
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Checklist

If you can answer "yes" to the following items, please add a checkmark next to the appropriate checklist item(s) and notify our WARP team by tagging @broadinstitute/warp-admins in a comment on this PR.

• Did you add inputs, outputs, or tasks to a workflow?
• Did you modify, delete or move: file paths, file names, input names, output names, or task names?
• If you made a changelog update, did you update the pipeline version number?

[github-actions]

Remember to squash merge!

[github-actions]

🔍Version Validation Results:

Comparing versions and changelogs for pipelines that differ from the versions on 'origin/staging':
All WDLs and changelog files appear to be valid for this release.

[github-actions]

🔍Changelog Validation Results:

Comparing changelogs for pipelines that differ from the versions on 'origin/develop':
Multiome.changelog.md has not been changed and needs to be updated
Some changelog files need updating. See output for details.
validation_failed

[github-actions]

Remember to squash merge!

[github-actions]

🔍Version Validation Results:

Comparing versions and changelogs for pipelines that differ from the versions on 'origin/staging':
Multiome.wdl and Multiome.changelog.md do not have matching versions
Some WDLs or changelog files need updating. See output for details.
validation_failed

[github-actions]

🔍Changelog Validation Results:

Comparing changelogs for pipelines that differ from the versions on 'origin/develop':
All changelog files are valid for this release.

[github-actions]

Remember to squash merge!

[github-actions]

🔍Changelog Validation Results:

Comparing changelogs for pipelines that differ from the versions on 'origin/develop':
All changelog files are valid for this release.

[github-actions]

🔍Version Validation Results:

Comparing versions and changelogs for pipelines that differ from the versions on 'origin/staging':
Multiome.wdl and Multiome.changelog.md do not have matching versions
Some WDLs or changelog files need updating. See output for details.
validation_failed

[github-actions]

Remember to squash merge!

[github-actions]

🔍Version Validation Results:

Comparing versions and changelogs for pipelines that differ from the versions on 'origin/staging':
Multiome.wdl and Multiome.changelog.md do not have matching versions
Some WDLs or changelog files need updating. See output for details.
validation_failed

[github-actions]

🔍Changelog Validation Results:

Comparing changelogs for pipelines that differ from the versions on 'origin/develop':
All changelog files are valid for this release.