Upgrade snappy to 0.5

[JinwooHwang]

For all changes:

• [ ] Is there a JIRA ticket associated with this PR? Is it referenced in the commit message?

• [x] Has your PR been rebased against the latest commit within the target branch (typically develop)?

• [ ] Is your initial contribution a single, squashed commit?

• [x] Does gradlew build run cleanly?

• [x] Have you written or updated unit tests to verify your changes?

• [ ] If adding new dependencies to the code, are these dependencies licensed in a way that is compatible for inclusion under ASF 2.0?

[JinwooHwang]

Could you let me know what needs to be done for this to move forward? Thanks.

[semioticrobotic]

@niallkp: As per mailing list discussion, any chance you're able to review this?

[JinwooHwang]

@niallkp, I would appreciate it if you could kindly provide your response at your earliest convenience. Thank you.

[JinwooHwang]

@sboorlagadda and @niallkp , Do you have any concerns regarding this PR?

[JinwooHwang]

Can someone complete the checks please?

[raboof]

The CI tests for this PR have not ran yet, likely because you opened this before you got commit access. I'll try closing and reopening this PR to trigger them.

[JinwooHwang]

Thank you very much for starting the checks, @raboof.