Bump fhir.version from 7.2.2 to 8.8.1

Bumps `fhir.version` from 7.2.2 to 8.8.1.

Updates `ca.uhn.hapi.fhir:hapi-fhir-base` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-client` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-server` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-structures-r4b` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-structures-r4` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-structures-dstu3` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-validation` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-validation-resources-r4` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-validation-resources-dstu3` from 7.2.2 to 8.8.1

Updates `ca.uhn.hapi.fhir:hapi-fhir-caching-caffeine` from 7.2.2 to 8.8.1

---
updated-dependencies:
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-base
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-client
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-server
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-structures-r4b
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-structures-r4
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-structures-dstu3
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-validation
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-validation-resources-r4
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-validation-resources-dstu3
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: ca.uhn.hapi.fhir:hapi-fhir-caching-caffeine
  dependency-version: 8.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -17,7 +17,7 @@
 	<properties>
 		<java.version>20</java.version>
 		<kotlin.version>1.9.22</kotlin.version>
-		<fhir.version>7.2.2</fhir.version>
+		<fhir.version>8.8.1</fhir.version>
 		<swagger_version>2.2.20</swagger_version>
 		<parser_version>2.1.20</parser_version>
 		<jackson_databind_version>2.17.0</jackson_databind_version>