Fix for Intel Release

This version of NCEP_Shared fixes a build issue with NCEP_crtm where flags were found missing from a previous version when building with Intel Fortran in Release mode.

It also updates the CI and adds a new GitHub Actions based label checker.

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What's Changed

• Move to use GitHub Action for Label Enforcement by @mathomp4 in #28
• missing line from prior merge by @rtodling in #29

New Contributors

• @rtodling made their first contribution in #29

Full Changelog: v1.2.1...v1.2.2