chore(deps): update dependency opentofu/opentofu to v1.7.3 in dockerf…

…ile (main) (#4751)

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

Dockerfile

@@ -7,7 +7,7 @@ ARG GOLANG_TAG=1.22.5-alpine@sha256:8c9183f715b0b4eca05b8b3dbf59766aaedb41ec0747
 # renovate: datasource=github-releases depName=hashicorp/terraform versioning=hashicorp
 ARG DEFAULT_TERRAFORM_VERSION=1.9.2
 # renovate: datasource=github-releases depName=opentofu/opentofu versioning=hashicorp
-ARG DEFAULT_OPENTOFU_VERSION=1.7.2
+ARG DEFAULT_OPENTOFU_VERSION=1.7.3
 # renovate: datasource=github-releases depName=open-policy-agent/conftest
 ARG DEFAULT_CONFTEST_VERSION=0.53.0