bump go: 1.14.9 -> 1.15.8 (#3175)

1.14.x got archived with the release of 1.16.

Picking the latest release of the 1.15.x series.

Signed-off-by: Stephan Renatus <stephan.renatus@gmail.com>

Stephan Renatus committed 5y ago

e703396183214f654087c7f34073513f435101b2

Parent: 930d103

Committed by GitHub <noreply@github.com> on 2/22/2021, 4:11:40 PM