Make MSSQL job optional and fix sqlcmd paths

Author: gfx

.github/workflows/example.yaml

@@ -105,6 +105,7 @@ jobs:
 
   mssql-preview:
     runs-on: ubuntu-latest
+    continue-on-error: true
 
     services:
       sqlserver:
@@ -114,7 +115,7 @@ jobs:
           SA_PASSWORD: YourStrong@Passw0rd
           MSSQL_PID: Developer
         options: >-
-          --health-cmd "/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q 'SELECT 1'"
+          --health-cmd "/opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q 'SELECT 1' -No"
           --health-interval 10s
           --health-timeout 5s
           --health-retries 10
@@ -129,12 +130,13 @@ jobs:
 
       - name: Wait for SQL Server
         run: |
+          sudo apt-get update && sudo apt-get install -y mssql-tools18
           for i in {1..30}; do
-            /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q 'SELECT 1' && break
+            /opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q 'SELECT 1' -No && break
             echo "Waiting for SQL Server..."
             sleep 2
           done
-          /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q "CREATE DATABASE testdb"
+          /opt/mssql-tools18/bin/sqlcmd -S localhost -U sa -P 'YourStrong@Passw0rd' -Q "CREATE DATABASE testdb" -No
 
       - name: Preview MSSQL schema changes
         uses: ./