chore(deps): update ghcr.io/defenseunicorns/build-harness/build-harness docker tag to v2.0.48 (#512)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.env

@@ -1,3 +1,3 @@
 BUILD_HARNESS_REPO=ghcr.io/defenseunicorns/build-harness/build-harness
 # renovate: datasource=docker depName=ghcr.io/defenseunicorns/build-harness/build-harness
-BUILD_HARNESS_VERSION=2.0.47
+BUILD_HARNESS_VERSION=2.0.48