Bump golang from 1.19.2 to 1.19.3 in /prow/docker/build-tool (#484)

* Bump golang from 1.19.2 to 1.19.3 in /prow/docker/build-tool

Bumps golang from 1.19.2 to 1.19.3.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

* bump golang to v1.18.8

Signed-off-by: Xinchun Liu <[email protected]>

Signed-off-by: dependabot[bot] <[email protected]>
Signed-off-by: Xinchun Liu <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Xinchun Liu <[email protected]>

Author: dependabot[bot]

prow/docker/build-tool/Dockerfile

@@ -3,7 +3,7 @@
 #############
 
 # Use golang as the binary_tools_context
-FROM golang:1.19.2 as binary_tools_context
+FROM golang:1.18.8 as binary_tools_context
 
 ARG ARCH=amd64