ci(check_rfcs, check_carbon_version): prevent api calls when run as part of CI pipeline

[edleeks87]

Proposed behaviour

Updates guard to prevent the scripts making api calls when run as part of CI pipeline

Current behaviour

Guard only prevents the scripts making api calls when run as part of BITRISE pipeline

Checklist

• [x] Commits follow our style guide
• [x] Unit tests added or updated if required

[codesandbox-ci[bot]]

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Latest deployment of this branch, based on commit 5c237fda98e5a52f0e09cd52c50b958de3784ee7:

Sandbox	Source
carbon-quickstart	Configuration
carbon-quickstart-typescript	Configuration
carbon-quickstart	PR

[cypress[bot]]

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Test summary

3125 • 0 • 3 • 0 • 0

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Run details

Project	carbon
Status	Passed
Commit	5c237fda98
Started	Oct 4, 2022 9:41 AM
Ended	Oct 4, 2022 9:47 AM
Duration	06:05 💡
OS	Linux Debian - 11.3
Browser	Chrome 103

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[carbonci]

:tada: This PR is included in version 111.1.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: