[SchemaRegistry] update core + SR version (#21573)

for issue #21460

Author: swathipil

sdk/schemaregistry/azure-schemaregistry/setup.py

@@ -69,7 +69,7 @@
     packages=find_packages(exclude=exclude_packages),
     install_requires=[
         'msrest>=0.5.0',
-        'azure-core<2.0.0,>=1.19.0'
+        'azure-core<2.0.0,>=1.20.0'
     ],
     extras_require={
         ":python_version<'3.0'": ['azure-nspkg']

shared_requirements.txt

@@ -169,7 +169,7 @@ backports.functools-lru-cache >= 1.6.4; python_version == "2.7"
 #override azure-security-attestation msrest>=0.6.21
 #override azure-security-attestation azure-core<2.0.0,>=1.8.2
 #override azure-data-tables msrest>=0.6.19
-#override azure-schemaregistry azure-core<2.0.0,>=1.19.0
+#override azure-schemaregistry azure-core<2.0.0,>=1.20.0
 opencensus>=0.6.0
 opencensus-ext-threading
 opencensus-ext-azure>=0.3.1