Updated Lock to avoid starvation

The lock class is made more greedy so all locks are granted in the requested order.
Previously, an exclusive lock could be discriminated.

Issue-ID: CCSDK-3560
Signed-off-by: PatrikBuhr <patrik.buhr@est.tech>
Change-Id: If2dd171409c58eacbccce9569b2f6694e09992a2
diff --git a/a1-policy-management/api/pms-api.json b/a1-policy-management/api/pms-api.json
index be0152f..91ad1b7 100644
--- a/a1-policy-management/api/pms-api.json
+++ b/a1-policy-management/api/pms-api.json
@@ -559,7 +559,7 @@
         },
         "/a1-policy/v2/services/{service_id}/keepalive": {"put": {
             "summary": "Heartbeat indicates that the service is running",
-            "description": "A registerred service must call this in regular intervals to indicate that it is in operation. Absence of this call will lead to that teh service will be deregisterred and all its policies are removed.",
+            "description": "A registerred service must call this in regular intervals to indicate that it is in operation. Absence of this call will lead to that the service will be deregisterred and all its policies are removed.",
             "operationId": "keepAliveService",
             "responses": {
                 "200": {
diff --git a/a1-policy-management/api/pms-api.yaml b/a1-policy-management/api/pms-api.yaml
index c23f0fc..875e273 100644
--- a/a1-policy-management/api/pms-api.yaml
+++ b/a1-policy-management/api/pms-api.yaml
@@ -435,7 +435,7 @@
       - Service Registry and Supervision
       summary: Heartbeat indicates that the service is running
       description: A registerred service must call this in regular intervals to indicate
-        that it is in operation. Absence of this call will lead to that teh service
+        that it is in operation. Absence of this call will lead to that the service
         will be deregisterred and all its policies are removed.
       operationId: keepAliveService
       parameters: