pin actions (#744)

Author: danmoseley

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
       ASPIRE_ALLOW_UNSECURED_TRANSPORT: true
       SuppressNETCoreSdkPreviewMessage: true
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
     - name: Install Azure Functions Core Tools
       if: matrix.os == 'ubuntu-latest'
@@ -42,7 +42,7 @@ jobs:
         sudo apt-get install azure-functions-core-tools-4
 
     - name: Install .NET SDK (global.json)
-      uses: actions/setup-dotnet@v4
+      uses: actions/setup-dotnet@3951f0dfe7a07e2313ec93c75700083e2005cbab # v4.3.0
       with:
         global-json-file: ${{ matrix.os == 'ubuntu-latest' && './global.json' || '.\global.json' }}
         dotnet-version: | 
@@ -51,7 +51,7 @@ jobs:
     - name: Print .NET info
       run: dotnet --info
 
-    - uses: actions/setup-node@v4
+    - uses: actions/setup-node@1d0ff469b7ec7b3cb9d8673fde0c81c44821de2a # v4.2.0
       with:
         node-version: '20.x'
 
@@ -78,7 +78,7 @@ jobs:
     
     - name: Publish Test Results
       if: (success() || steps.test.conclusion == 'failure') && matrix.os == 'ubuntu-latest'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
       with:
         name: TestResults_${{ matrix.os }}
         path: ./TestResults