Updated checkout version in gitleaks.yaml

Author: Edberg-Vasan

.github/workflows/gitleaks.yaml

@@ -41,4 +41,4 @@ jobs:
            nuget install "Syncfusion.Email" -source ${{ secrets.NexusFeedLink }} -ExcludeVersion
            dir $GITHUB_WORKSPACE/Syncfusion.Email/lib/net6.0
            dotnet $GITHUB_WORKSPACE/Syncfusion.Email/lib/net6.0/GitleaksReportMail.dll ${{ secrets.CITEAMCREDENTIALS }} "$GITHUB_REF_NAME" ${{ secrets.NETWORKCREDENTIALS }} ${{ secrets.NETWORKKEY }} "$GITHUB_WORKSPACE" ${{ secrets.ORGANIZATIONNAME }}
-           exit 1
+           exit 1