fix: bump MAX_BLOCKS_PER_CONTENT_LIBRARY default to 100,000 (#35768)

Author: pomegranited

cms/envs/common.py

@@ -2734,7 +2734,7 @@
 PASSWORD_RESET_EMAIL_RATE = '2/h'
 
 ######################## Setting for content libraries ########################
-MAX_BLOCKS_PER_CONTENT_LIBRARY = 1000
+MAX_BLOCKS_PER_CONTENT_LIBRARY = 100_000
 
 ################# Student Verification #################
 VERIFY_STUDENT = {