Add esp32-c6 #162

Job	Run time
Building project-template-esp32-s3 / beta	5m 16s
Building project-template-esp32-c3 / beta	4m 33s
Building project-template-esp32-c6 / dev	4m 55s
Building project-template-esp32 / stable	4m 42s
Building project-template-esp32-c6 / beta	3m 22s
Building project-template-esp32-c6 / stable	3m 25s
Building project-template-esp32-s3 / dev	5m 15s
Building project-template-esp32 / beta	4m 48s
Building project-template-esp32 / dev	4m 44s
Building project-template-esp32-c3 / stable	4m 41s
Building project-template-esp32-c3 / dev	4m 37s
Building project-template-esp32-s3 / stable	5m 10s
	55m 28s

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