It looks that horizon-integration-xp1-assets:3.0.0-ltsc2022 is missing the module/db folder. Attached is LTSC2022 vs. 1809 Databases Deployment:
LTSC2022:
Step 8/13 : FROM ${HRZ_INTEGRATION_ASSETS_IMAGE} AS hrz_int_assets 3.0.0-ltsc2022: Pulling from sxp/modules/horizon-integration-xp1-assets Status: Downloaded newer image for scr.sitecore.com/sxp/modules/horizon-integration-xp1-assets:3.0.0-ltsc2022
Step 9/13 : FROM ${PARENT_IMAGE} 10.2-ltsc2022: Pulling from sxp/sitecore-xp1-mssql-init Status: Downloaded newer image for scr.sitecore.com/sxp/sitecore-xp1-mssql-init:10.2-ltsc2022
Step 10/13 : COPY --from=hrz_int_assets C:\module\db C:\resources\hrz COPY failed: stat C:\module\db: file does not exist ERROR: Service 'mssql-init' failed to build : Build failed
1809:
Step 8/13 : FROM ${HRZ_INTEGRATION_ASSETS_IMAGE} AS hrz_int_assets 2.26-1809.: Pulling from sxp/modules/horizon-integration-xp1-assets Status: Downloaded newer image for scr.sitecore.com/sxp/modules/horizon-integration-xp1-assets:2.26-1809.
Step 9/13 : FROM ${PARENT_IMAGE} 10.2-ltsc2022: Pulling from sxp/sitecore-xp1-mssql-init Status: Downloaded newer image for scr.sitecore.com/sxp/sitecore-xp1-mssql-init:10.2-ltsc2022
Step 10/13 : COPY --from=hrz_int_assets C:\module\db C:\resources\hrz ---> 4a5015d8362c Successfully built af6e5f7aac6e Successfully tagged scnext-xp1-mssql-init:latest