Pin dependencies

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/dotnet-format.yml

@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
         persist-credentials: false
 

.github/workflows/markdown-link-check.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
         persist-credentials: false
 

.github/workflows/markdownlint.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
         persist-credentials: false
 

.github/workflows/misspell.yml

@@ -13,7 +13,7 @@ jobs:
 
     steps:
     - name: check out code
-      uses: actions/checkout@v4
+      uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       with:
         persist-credentials: false
 

docker/docker-compose-aspnetcore/docker-compose.oats.yml

@@ -13,7 +13,7 @@ services:
       - redis
       - mssql
   redis:
-    image: redis:8.0
+    image: redis:8.0@sha256:1b835e5a8d5db58e8b718850bf43a68ef5a576fc68301fd08a789b20b4eecb61
     ports:
       - "6379:6379"
     healthcheck:
@@ -22,7 +22,7 @@ services:
       timeout: 3s
       retries: 5
   mssql:
-    image: mcr.microsoft.com/mssql/server:2025-latest
+    image: mcr.microsoft.com/mssql/server:2025-latest@sha256:e2e5bcfe395924ff49694542191d3aefe86b6b3bd6c024f9ea01bf5a8856c56e
     ports:
       - "1433:1433"
     environment:

docker/docker-compose-aspnetcore/docker-compose.self-contained.oats.yml

@@ -16,7 +16,7 @@ services:
       - redis
       - mssql
   redis:
-    image: redis:8.0
+    image: redis:8.0@sha256:1b835e5a8d5db58e8b718850bf43a68ef5a576fc68301fd08a789b20b4eecb61
     ports:
       - "6379:6379"
     healthcheck:
@@ -25,7 +25,7 @@ services:
       timeout: 3s
       retries: 5
   mssql:
-    image: mcr.microsoft.com/mssql/server:2025-latest
+    image: mcr.microsoft.com/mssql/server:2025-latest@sha256:e2e5bcfe395924ff49694542191d3aefe86b6b3bd6c024f9ea01bf5a8856c56e
     ports:
       - "1433:1433"
     environment:

docker/docker-compose-aspnetcore/docker-compose.yml

@@ -10,11 +10,11 @@ services:
     ports:
       - "8080:8080" # for OATs
   redis:
-    image: redis:8.0
+    image: redis:8.0@sha256:1b835e5a8d5db58e8b718850bf43a68ef5a576fc68301fd08a789b20b4eecb61
     ports:
       - "6379:6379"
   mssql:
-    image: mcr.microsoft.com/mssql/server:2025-latest
+    image: mcr.microsoft.com/mssql/server:2025-latest@sha256:e2e5bcfe395924ff49694542191d3aefe86b6b3bd6c024f9ea01bf5a8856c56e
     ports:
       - "1433:1433"
     environment: