Use Hugo 0.148.2 for docs builds

Hiru Fernandorequested to merge
hirufernando-update-docs-hugo-image into main

What does this MR do and why?

Use the latest Hugo 0.148.2-based Docker image for docs builds.

Job using new Docker image: registry.gitlab.com/gitlab-org/technical-writing/docs-gitlab-com/docs-gitlab-com-builder:hugo-0.148.2

Screenshots or screen recordings

No visual changes expected.

What are the relevant issue numbers?

  1. Hugo container image creation: gitlab-org/technical-writing/docs-gitlab-com!1207 (merged)
  2. Hugo theme update in docs: gitlab-org/technical-writing/docs-gitlab-com!1187 (merged)
Edited by Hiru Fernando

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