Update Python SDK version (#47893)

The new release will trim data in redis spans and breadcrumbs. Should
save some memory.

requirements-base.txt

@@ -61,7 +61,7 @@ sentry-arroyo[json]>=2.9.1
 sentry-kafka-schemas>=0.0.31
 sentry-redis-tools>=0.1.4
 sentry-relay>=0.8.21
-sentry-sdk>=1.20.0
+sentry-sdk>=1.21.0
 snuba-sdk>=1.0.5
 simplejson>=3.17.6
 statsd>=3.3

requirements-dev-frozen.txt

@@ -168,7 +168,7 @@ sentry-cli==2.16.0
 sentry-kafka-schemas==0.0.31
 sentry-redis-tools==0.1.4
 sentry-relay==0.8.21
-sentry-sdk==1.20.0
+sentry-sdk==1.21.0
 simplejson==3.17.6
 six==1.16.0
 sniffio==1.2.0

requirements-frozen.txt

@@ -119,7 +119,7 @@ sentry-arroyo==2.9.1
 sentry-kafka-schemas==0.0.31
 sentry-redis-tools==0.1.4
 sentry-relay==0.8.21
-sentry-sdk==1.20.0
+sentry-sdk==1.21.0
 simplejson==3.17.6
 six==1.16.0
 sniffio==1.2.0