Assign User Agent and x-looker-appid headers in Looker JDBC Driver #31

Job	Run time
Linux (JDK 11), Calcite Minimum Guava, America/New_York Timezone	4m 7s
Linux (JDK 11), Oldest Guava, Pacific/Chatham Timezone	4m 12s
Linux (JDK 11), Newest Guava	4m 1s
Linux (JDK 11), Middle-Aged Guava	4m 9s
Linux (JDK 17)	4m 31s
Linux (JDK 19)	4m 0s
Linux (JDK 8), Avatica main	10m 0s
Linux (JDK 8)	4m 11s
macOS (JDK 19)	9m 53s
Windows (JDK 11)	5m 11s
	54m 15s

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