Update boto3 from 1.7.73 to 1.7.74 (#9124)

requirements/prod.txt

@@ -100,9 +100,9 @@ billiard==3.5.0.4 \
 bleach==1.5.0 \
     --hash=sha256:e67f46adcec78dbc3c04462f3aba3213a673d5652eba2609ed1ef15492a44b8d \
     --hash=sha256:978e758599b54cd3caa2e160d74102879b230ea8dc93871d0783721eef58bc65 # pyup: ==1.5.0
-boto3==1.7.73 \
-    --hash=sha256:8cd59afafe0b314161ddab1335d877d5d70cb5b70f265db269baca7ab22e4a0f \
-    --hash=sha256:440e3e3674ef9b2e4e7755344fdbf25424edbbdc2c6d4d0d3260f099a810a4f5
+boto3==1.7.74 \
+    --hash=sha256:62cdf9b5041ae8ca07192983c5f0bc37a70145b5b4d23ae5fb10b93e472767f2 \
+    --hash=sha256:26a47c7052692ce20d5b75d2901b71965eea97bf561ab2cbd099eb0b07998883
 celery==4.1.1 \
     --hash=sha256:6fc4678d1692af97e137b2a9f1c04efd8e7e2fb7134c5c5ad60738cdd927762f \
     --hash=sha256:d1f2a3359bdbdfb344edce98b8e891f5fe64f8a11c5a45538ec20ac237c971f5 # pyup: <4.2