feat: add support for FHIR Subscriptions

[carvantes]

This PR is the merge of the feat-subscriptions branch. All changes have already been reviewed in separate PRs:

• feat: implement getActiveSubscriptions (#131)
• feat: set Subscription status from requested to active on save (#132)
• fix: fix multi-tenant query for getActiveSubscriptions
• fix: properly update subscriptionStatus on update or delete (#135)
• fix: update status correctly when posting in a bundle (#139)
• fix: fix undefined object property (#140)
• bump interface version
• fix: fix unit tests

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

Merging #138 (f4299d3) into mainline (a6f8a52) will decrease coverage by 0.42%. The diff coverage is 79.06%.

@@             Coverage Diff              @@
##           mainline     #138      +/-   ##
============================================
- Coverage     89.72%   89.29%   -0.43%     
============================================
  Files            26       26              
  Lines          1129     1168      +39     
  Branches        185      194       +9     
============================================
+ Hits           1013     1043      +30     
- Misses          112      121       +9     
  Partials          4        4              

Impacted Files	Coverage Δ
src/objectStorageService/s3DataService.ts	69.89% <0.00%> (-1.54%)	:arrow_down:
src/dataServices/dynamoDbParamBuilder.ts	91.54% <71.42%> (-8.46%)	:arrow_down:
src/dataServices/dynamoDbDataService.ts	91.05% <91.66%> (+0.04%)	:arrow_up:
src/dataServices/dynamoDbUtil.ts	98.30% <100.00%> (+0.26%)	:arrow_up:

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