Upgrade release Docker image and GO_MOD_VERSION (#3677)

Release v1.50.0 (#3596)

Release v1.49.0 (#3575)

Co-authored-by: doriable <doriable@users.noreply.github.com>

Release v1.48.0 (#3557)

Co-authored-by: doriable <doriable@users.noreply.github.com>

Release v1.47.2 (#3472)

Co-authored-by: doriable <doriable@users.noreply.github.com>
Co-authored-by: Doria Keung <doria.keung@gmail.com>

Release v1.47.1 (#3470)

Co-authored-by: doriable <doriable@users.noreply.github.com>
Co-authored-by: Doria Keung <doria.keung@gmail.com>

Release v1.47.0 (#3466)

Co-authored-by: doriable <doriable@users.noreply.github.com>

Release v1.46.0 (#3432)

Co-authored-by: doriable <doriable@users.noreply.github.com>

Release v1.45.0 (#3391)

Co-authored-by: doriable <doriable@users.noreply.github.com>

Release v1.44.0 (#3365)

Co-authored-by: emcfarlane <emcfarlane@users.noreply.github.com>