chore: added all secret fingerprints to gitleaksignore

Author: chgl

.gitleaksignore

@@ -1 +1,4 @@
 7ed8516a2b1828bfca96483bfa166b1e8a5db174:hack/keycloak/magnifhir-realm-export.json:generic-api-key:676
+3ed222a845702477825b9e208aa638e7d18f8c6e:src/magniFHIR/appsettings.Development.json:generic-api-key:46
+f52dbc1ef52f3f53a5b0446841e4a8e6e16c70cf:hack/keycloak/magnifhir-realm-export.json:generic-api-key:676
+3ed222a845702477825b9e208aa638e7d18f8c6e:hack/keycloak/magnifhir-realm-export.json:generic-api-key:558