Upgrade hapi Fhir version to 7.2.1

[chandrashekar-s]

Description of what I changed

• Upgraded HAPI FHIR Version to 7.0.0
• Made the property name hapi.fhir.version to be same in both bunsen/pom.xml and pipelines/pom.xml files, so that dependabot upgrades the version in both the files simultaneously.
• Added a dependency hapi-fhir-caching-caffeine, this was mandatory otherwise there was this below error being thrown

java.lang.RuntimeException: HAPI-2200: No Cache Service Providers found. Choose between hapi-fhir-caching-caffeine (Default) and hapi-fhir-caching-guava (Android)

	at ca.uhn.fhir.sl.cache.CacheFactory.getCacheProvider(CacheFactory.java:41)
	at ca.uhn.fhir.sl.cache.CacheFactory.build(CacheFactory.java:46)
	at org.hl7.fhir.r4.hapi.ctx.HapiWorkerContext.<init>(HapiWorkerContext.java:65)
	at org.hl7.fhir.r4.hapi.fluentpath.FhirPathR4.<init>(FhirPathR4.java:31)
	at com.google.fhir.analytics.view.ViewApplicator.<init>(ViewApplicator.java:66)
	at com.google.fhir.analytics.view.ViewApplicatorTest.applyViewOnResource(ViewApplicatorTest.java:72)
	at com.google.fhir.analytics.view.ViewApplicatorTest.emptyForEachOrNullWithUnion(ViewApplicatorTest.java:103)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

E2E test

Relied on E2E tests

TESTED:

Locally tested the full run.

Checklist: I completed these to help reviewers :)

• I have read and will follow the review process.

• I am familiar with Google Style Guides for the language I have coded in.

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• My IDE is configured to follow the Google code styles.

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• I have added tests to cover my changes. (If you refactored existing code that was well tested you do not have to add tests)

• I ran mvn clean package right before creating this pull request and added all formatting changes to my commit.

• All new and existing tests passed.

• My pull request is based on the latest changes of the master branch.

  No? Unsure? -> execute command git pull --rebase upstream master

[chandrashekar-s]

e2e tests are failing, will debug more on this.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.92%. Comparing base (810687d) to head (627e21a).

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #971      +/-   ##
============================================
+ Coverage     51.83%   51.92%   +0.09%     
- Complexity      696      697       +1     
============================================
  Files            91       91              
  Lines          5519     5519              
  Branches        709      709              
============================================
+ Hits           2861     2866       +5     
+ Misses         2395     2390       -5     
  Partials        263      263              

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[chandrashekar-s]

Hi @bashir2, this PR is ready for review, it contains changes for upgrading the HAPI library to 7.2.1

[bashir2]

Comments are minor/questions; please feel free to merge after addressing them.

[chandrashekar-s]

Thanks @bashir2 for the review. I have addressed the review comments, will merge the changes once the build completes.