Good Microsoft documents the same process in many different places

.github/actions/install-sqlcmd/action.yml

@@ -15,15 +15,17 @@ runs:
       run: |
         Set-GitHubOutput 'available' ($null -ne (Get-Command sqlcmd -ErrorAction SilentlyContinue))
 
-    # Source: https://learn.microsoft.com/en-us/sql/tools/sqlcmd/sqlcmd-utility?view=sql-server-ver16&tabs=go%2Clinux&pivots=cs1-bash#download-and-install-sqlcmd
+    # Source: https://learn.microsoft.com/en-us/sql/connect/odbc/linux-mac/installing-the-microsoft-odbc-driver-for-sql-server?tabs=ubuntu18-install#18
     - name: Install sqlcmd on Linux
       if: runner.os == 'Linux' && steps.check-sqlcmd.outputs.available != 'true'
       shell: bash
       run: |
-        curl https://packages.microsoft.com/keys/microsoft.asc | sudo tee /etc/apt/trusted.gpg.d/microsoft.asc
-        sudo add-apt-repository "$(wget -qO- https://packages.microsoft.com/config/ubuntu/22.04/prod.list)" -y
+        curl https://packages.microsoft.com/keys/microsoft.asc | sudo gpg --dearmor -o /usr/share/keyrings/microsoft-prod.gpg
+        curl https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/prod.list | sudo tee /etc/apt/sources.list.d/mssql-release.list
         sudo apt-get update
-        sudo apt-get install sqlcmd
+        sudo ACCEPT_EULA=Y apt-get install -y msodbcsql18 mssql-tools18
+        echo 'export PATH="$PATH:/opt/mssql-tools18/bin"' >> ~/.bashrc
+        source ~/.bashrc
 
     - name: Display sqlcmd version
       shell: pwsh