OCI: Add sh.brew.tab to the image manifest
OCI: Add sh.brew.tab to the image manifest

The tab is needed to install the package using
the SHA-256 of the single-architecture image.

MikeMcQuaid/brew,sjackman/homebrew,EricFromCanada/brew,sjackman/homebrew,nandub/brew,JCount/brew,EricFromCanada/brew,MikeMcQuaid/brew,Homebrew/brew,claui/brew,MikeMcQuaid/brew,sjackman/homebrew,sjackman/homebrew,JCount/brew,nandub/brew,JCount/brew,Homebrew/brew,JCount/brew,claui/brew,EricFromCanada/brew,claui/brew,MikeMcQuaid/brew,EricFromCanada/brew,claui/brew,nandub/brew,nandub/brew,Homebrew/brew,Homebrew/brew