Merged PR 41232: Regenerate SAS before installers

#### AI description  (iteration 1)
#### PR Classification
Code enhancement to regenerate runtime tokens before building installers.

#### PR Summary
This pull request ensures that runtime tokens are regenerated before building the installers to avoid hitting the hour timeout.
- `.azure/pipelines/ci.yml`: Added a step to regenerate runtime tokens before the installer build process.

.azure/pipelines/jobs/default-build.yml

@@ -446,7 +446,7 @@ jobs:
         parameters:
           federatedServiceConnection: 'dotnetbuilds-internal-read'
           outputVariableName: 'dotnetbuilds-internal-container-read-token'
-          expiryInHours: 1
+          expiryInHours: 2
           base64Encode: false
           storageAccount: dotnetbuilds
           container: internal