Sync docs for SDK version 0.104.0

Author: classiq-library-bot-app[bot]

.internal/docs/qmod-reference/api-reference/functions/core_library/arithmetic.md

@@ -10,5 +10,9 @@ search:
         show_if_no_docstrings: false
         members:
             - unitary
+            - multiply
+            - multiply_constant
+            - canonical_multiply
+            - canonical_multiply_constant
 <!-- prettier-ignore-end -->
 <!-- spell-checker: enable -->

.internal/docs/user-guide/execution/cloud-providers/ibm-backends.md

@@ -60,7 +60,7 @@ The access token is the API token that appears at the top of the [IBM Quantum Cl
 Included hardware:
 
 -   "ibm_kingston"
--   "ibm_brisbane"
+-   "ibm_boston"
 -   "ibm_marrakesh"
 -   "ibm_torino"
 -   "ibm_fez"