Updating SHA256.md after 1.15.0 release

Author: svc-cli-bot

SHA256.md

@@ -15,7 +15,7 @@ make sure that their SHA values match the values in the list below.
 shasum -a 256 <location_of_the_downloaded_file>
 
 3. Confirm that the SHA in your output matches the value in this list of SHAs.
-   b6e5e1ff9cccb25410b7b4885926a26dc4ce5f2cd1456f1bde5cd5e63b76f25d  ./extensions/sfdx-code-analyzer-vscode-1.14.0.vsix
+   51eef4507dde88be87f60f3fca05278cd8bf3f0d03e01c9d07ac961bb4e0096e  ./extensions/sfdx-code-analyzer-vscode-1.15.0.vsix
 4. Change the filename extension for the file that you downloaded from .zip to
    .vsix.