Fix the upgrade SONiC package version PR title

[xumia]

Why I did it

Make the title of the PR to upgrade SONiC package versions better

How I did it

How to verify it

Which release branch to backport (provide reason below if selected)

• 201811
• 201911
• 202006
• 202012

Description for the changelog

A picture of a cute animal (not mandatory but encouraged)

[xumia]

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