Upgrade: [dependabot] - bump fhir.version from 7.2.2 to 7.4.0 (#168)

Bumps `fhir.version` from 7.2.2 to 7.4.0.
Updates `ca.uhn.hapi.fhir:hapi-fhir-validation-resources-r4` from 7.2.2
to 7.4.0

Updates `ca.uhn.hapi.fhir:hapi-fhir-structures-r4` from 7.2.2 to 7.4.0

Updates `ca.uhn.hapi.fhir:hapi-fhir-validation` from 7.2.2 to 7.4.0

Updates `ca.uhn.hapi.fhir:hapi-fhir-caching-caffeine` from 7.2.2 to
7.4.0

Updates `ca.uhn.hapi.fhir:hapi-fhir-base` from 7.2.2 to 7.4.0


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Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Kris Szlapa <kris.szlapa1@nhs.net>
Co-authored-by: Jack Spagnoli <jack.spagnoli1@nhs.net>

Author: 3 people