Pin dependencies (#62)

Co-authored-by: renovate-pagopa[bot] <164534245+renovate-pagopa[bot]@users.noreply.github.com>

Author: renovate-pagopa[bot]

apps/institution-ms/docker-compose.yml

@@ -2,7 +2,7 @@ version: '3.8'
 services:
 
   mongodb:
-    image: mongo:latest
+    image: mongo:latest@sha256:1cb283500219e8fc0b61b328ea5a199a395a753d88b17351c58874fb425223cb
     ports:
       - '27017:27017'
     volumes:
@@ -11,7 +11,7 @@ services:
       - develop-network
 
   azurite:
-    image: mcr.microsoft.com/azure-storage/azurite
+    image: mcr.microsoft.com/azure-storage/azurite@sha256:0a47e12e3693483cef5c71f35468b91d751611f172d2f97414e9c69113b106d9
     container_name: azurite
     ports:
       - "10000:10000"  # Expose blob service
@@ -21,7 +21,7 @@ services:
       - develop-network
 
   mockserver:
-    image: mockserver/mockserver
+    image: mockserver/mockserver@sha256:adec675a93253dcd503cda331dbc8c88383c1c79ceb2370ec9766ad3f010d255
     ports:
       - '1080:1080'
     environment: