Shortened configuration struct names from JobSearchConfig to JSC since they are distinguished by being in the config package anyway

internal/findATender/api_test.go

@@ -21,7 +21,7 @@ import (
 )
 
 func testConfig(level string) *config.JobSearchConfig {
-	return &config.JobSearchConfig{Logging: config.JobSearchConfigLogging{Level: level}}
+	return &config.JobSearchConfig{Logging: config.JSCLogging{Level: level}}
 }
 
 // quietLogs discards slog output for the duration of the test, or sends it