Pin dependencies

Author: renovate[bot]

.github/workflows/dotnet.yml

@@ -15,9 +15,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
     - name: Setup .NET
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@67a3573c9a986a3f9c594539f4ab511d57bb3ce9 # v4
       with:
         dotnet-version: 8.0.x
     - name: Restore dependencies

src/Dfsseta.ApplyForLanding/Dockerfile

@@ -4,7 +4,7 @@ WORKDIR /app
 EXPOSE 8080
 EXPOSE 8081
 
-FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:3cef19377b2ef2a0171e930a24627677447c3e41b5f2eab84ff4895f1b15d254 AS build
 ARG BUILD_CONFIGURATION=Release
 WORKDIR /src
 COPY ["Dfsseta.ApplyForLanding/Dfsseta.ApplyForLanding.csproj", "Dfsseta.ApplyForLanding/"]