Update assessment.md - spark.catalog.x guidance needed updating (#1708

)

The recent release of DBR 14+ make `spark.catalog.x` functions 'safe' to
run on shared compute so updating guidance.

## Changes
Update assessment readme, updating user guidance for shared compute
fixes to `spark.catalog.*` functions

### Functionality 

- [x] added relevant user documentation
- [ ] added new CLI command
- [ ] modified existing command: `databricks labs ucx ...`
- [ ] added a new workflow
- [ ] modified existing workflow: `...`
- [ ] added a new table
- [ ] modified existing table: `...`

### Tests
<!-- How is this tested? Please see the checklist below and also
describe any other relevant tests -->

- [x] manually tested
- [ ] added unit tests
- [ ] added integration tests
- [ ] verified on staging environment (screenshot attached)

docs/assessment.md

@@ -519,13 +519,13 @@ The Databricks ML Runtime is not supported on Shared Compute mode clusters. Reco
 
 ### AF301.1 - spark.catalog.x
 
-The `spark.catalog.` pattern was found. Commonly used functions in spark.catalog, such as tableExists, listTables, setDefault catalog are not allowed/whitelisted on shared clusters due to security reasons. `spark.sql("<sql command>)` may be a better alternative.
+The `spark.catalog.` pattern was found. Commonly used functions in spark.catalog, such as tableExists, listTables, setDefault catalog are not allowed/whitelisted on shared clusters due to security reasons. `spark.sql("<sql command>)` may be a better alternative. DBR 14.1 and above have made these commands available. Upgrade your DBR version.
 
 [[back to top](#migration-assessment-report)]
 
 ### AF301.2 - spark.catalog.x (spark._jsparkSession.catalog)
 
-The `spark._jsparkSession.catalog` pattern was found. Commonly used functions in spark.catalog, such as tableExists, listTables, setDefault catalog are not allowed/whitelisted on shared clusters due to security reasons. `spark.sql("<sql command>)` may be a better alternative.
+The `spark._jsparkSession.catalog` pattern was found. Commonly used functions in spark.catalog, such as tableExists, listTables, setDefault catalog are not allowed/whitelisted on shared clusters due to security reasons. `spark.sql("<sql command>)` may be a better alternative. The corresponding `spark.catalog.x` methods may work on DBR 14.1 and above.
 
 [[back to top](#migration-assessment-report)]