Bump com.heroku.sdk:env-keystore from 1.1.11 to 1.1.12 (#340)

Bumps [com.heroku.sdk:env-keystore](https://github.com/heroku/env-keystore) from 1.1.11 to 1.1.12.
- [Release notes](https://github.com/heroku/env-keystore/releases)
- [Changelog](https://github.com/heroku/env-keystore/blob/main/CHANGELOG.md)
- [Commits](heroku/env-keystore@v1.1.11...v1.1.12)

---
updated-dependencies:
- dependency-name: com.heroku.sdk:env-keystore
  dependency-version: 1.1.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

build.gradle

@@ -61,7 +61,7 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-web'
 	implementation 'org.springframework:spring-jms'
 	implementation 'org.apache.httpcomponents:httpclient:4.5.14'
-	implementation 'com.heroku.sdk:env-keystore:1.1.11'
+	implementation 'com.heroku.sdk:env-keystore:1.1.12'
 
 	implementation 'ca.uhn.hapi.fhir:hapi-fhir-base:8.4.0'
 	implementation 'ca.uhn.hapi.fhir:hapi-fhir-structures-r4:8.4.0'