Update MitelmanReleaseNotes.rst

Aug 3 data hot fix

docs/source/sections/ReleaseNotes/MitelmanReleaseNotes.rst

@@ -6,6 +6,16 @@ To search this database hosted by the ISB-CGC, please visit `Mitelman Database o
 
 For more detailed information about the Mitelman Database of Chromosome Aberrations and Gene Fusions in Cancer, see `Mitelman Database <https://isb-cancer-genomics-cloud.readthedocs.io/en/latest/sections/data/Mitelman_about.html>`_.
 
+*August 3, 2023*
+
+**Updated totals**
+
+Added missing data, plus some additional new cases.
+
+- Total number of cases 76,835
+- Total number of unique gene fusions 33,710
+- Total number of genes involved 14,059
+
 *July 17, 2023*
 
 Mitelman Database of Chromosome Aberrations and Gene Fusions in Cancer quarterly update.