Bump version to 1.6.15 [#157369079]

Bump version to 1.6.14 [#156865415]

Bump version to 1.6.13 [#156788862]

Bump version to 1.6.12 [#156076381]

Bump version to 1.6.11 [#155689247]

Signed-off-by: Dave Goddard <[email protected]>

Bump version to 1.6.10 [#155500164]

Bump version to 1.6.9 [#155113971]

Bump version to 1.6.8 [#154708169]

Signed-off-by: Dave Goddard <[email protected]>

Bump version to 1.6.7 [#154314280]

Bump version to 1.6.6 [#153731130]