chore(deps): bump base64 from 0.21.5 to 0.21.7 #5250

Job	Run time
Build	7m 58s
Python Binding Tests	4m 35s
Unit Tests	5m 51s
Node.js Binding Tests	4m 42s
Lint and Format	2m 29s
Process Integration Tests (pytest)	1m 28s
PG Protocol Tests	2m 31s
SQL Logic Tests (postgres)	35s
SQL Logic Tests (flightsql)	24s
SQL Logic Tests (rpc)	17s
Service Integration Tests (SLT)	1m 56s
Datasource Integration (Clickhouse)	1m 29s
Datasource Integration (Cassandra)	1m 35s
Datasource Integration (Mysql)	2m 25s
Datasource Integration (MongoDB)	27s
Datasource Integration (Sqlserver)	7m 52s
Snowflake Service Integration Tests (SLT::Snowflake)	0s
	46m 34s

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