Bump helm/chart-testing-action from 2.3.1 to 2.6.1 #48

Job	Run time
Linting	2m 22s
Build for Linux (linux, amd64)	3m 34s
Unit tests	4m 4s
Build for Windows (windows, amd64)	2m 13s
Build for Linux (linux, 386)	1m 14s
WASM build test	0s
Initial tests passed	1s
Integration tests	4m 34s
Upgrade tests	7m 25s
Complement (SQLite native)	4m 1s
Sytest (SQLite native)	4m 40s
Complement (SQLite Cgo)	4m 34s
Upgrade tests from HEAD-2	7m 44s
Sytest (SQLite Cgo)	5m 22s
Complement (PostgreSQL)	8m 27s
Sytest (PostgreSQL)	6m 37s
Integration tests passed	2s
Update Docker images	0s
	1h 6m 54s

Provide feedback