Update googletest to 1.18.0 and SIMDe to 0.8.2.

Googletest 1.18 asks for CMake 3.13 or newer, so configuring the tests no longer warns that CMake compatibility below 3.10 is deprecated.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/simde/.github/workflows/ossar-analysis.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       # Checkout your code repository to scan
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # We must fetch at least the immediate parents so that if this is
         # a pull request then we can checkout the head.
@@ -29,7 +29,7 @@ jobs:
 
       # Install dotnet, used by OSSAR
     - name: Install .NET
-      uses: actions/setup-dotnet@v3
+      uses: actions/setup-dotnet@v4
       with:
         dotnet-version: '6.0.x'
 
@@ -40,6 +40,6 @@ jobs:
 
       # Upload results to the Security tab
     - name: Upload OSSAR results
-      uses: github/codeql-action/upload-sarif@v2
+      uses: github/codeql-action/upload-sarif@v3
       with:
         sarif_file: ${{ steps.ossar.outputs.sarifFile }}