Bump oss/go/microsoft/golang from b2768e5 to a7b0651 (#293)

Bumps oss/go/microsoft/golang from `b2768e5` to `a7b0651`.

---
updated-dependencies:
- dependency-name: oss/go/microsoft/golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} mcr.microsoft.com/oss/go/microsoft/golang:1.21@sha256:b2768e50dda922c3a355b968f335cd1cb8147d80eacc53d9717253424a750b28 AS go
+FROM --platform=${BUILDPLATFORM} mcr.microsoft.com/oss/go/microsoft/golang:1.21@sha256:a7b065117cd8759f0694fb18eea3cf2b7148c5fc65920d60a13bf1b0786edda7 AS go
 
 FROM go  AS frontend-build
 WORKDIR /build