build(deps): bump debian from `2ccc7e3` to `a629e79` #196

Job	Run time
Build NGINX OSS image	20s
Build NGINX OSS image	19s
Test NGINX OSS image (virtual)	27s
Test NGINX OSS image (virtual)	2m 45s
Test NGINX OSS image (virtual-v2)	43s
Test NGINX OSS image (virtual-v2)	1m 50s
Build NGINX OSS image using latest njs commit	0s
Build NGINX OSS image using latest njs commit	1m 20s
Build NGINX OSS unprivileged image	0s
Build NGINX OSS unprivileged image	35s
Test NGINX OSS unprivileged image	0s
Test NGINX OSS unprivileged image	2m 44s
Test NGINX OSS image using latest njs commit	0s
Test NGINX OSS image using latest njs commit	1m 27s
Tag and push all built and tested NGINX images	0s
Tag and push all built and tested NGINX images	0s
	12m 30s

Provide feedback