Update piped-base tag

[nakabonne]

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Does this PR introduce a user-facing change?:

NONE

[pipecd-bot]

A Kapetanios build has just been triggered to run docker operations for the following 1 directory.
Their results will be reported back after the build is completed.

1. dockers/piped-base

[nghialv]

/approve

[pipecd-bot]

This pull request is APPROVED by nghialv.

Approvers can cancel the approval by writing /approve cancel in a comment. Any additional commits also will change this pull request to be not-approved.

[pipecd-bot]

The Kapetanios build to run docker operations for the following 1 directory has been completed.

1. dockers/piped-base - success

An image named piped-base:0.1.2-5f053fd was procuded for reviewing and testing.
By merging this PR, an image named piped-base:0.1.2 will be pushed to the container registry.

There is no test to run inside this directory.

[pipecd-bot]

Code coverage for golang is 27.29%. This pull request does not change code coverage.