Bump ping to 1.0.3

[ddog-nasirthomas]

What does this PR do?

Bumps the ping integration to 1.0.3. Also updates the README note for Windows users.

Motivation

Review checklist

• PR has a meaningful title or PR has the no-changelog label attached
• Feature or bugfix has tests
• Git history is clean
• If PR impacts documentation, docs team has been notified or an issue has been opened on the documentation repo
• If this PR includes a log pipeline, please add a description describing the remappers and processors.

Additional Notes

Anything else we should know when reviewing?

[datadog-official]

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 89.09% (+3.94%)

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