[Pkg-rust-maintainers] Bug#1131114: src:rust-url: fails to migrate to testing for too long

[Peter Green]

> ∙ ∙ Autopkgtest for rust-magic-wormhole/0.7.6-3: amd64: Regression ♻ (reference ♻), arm64: Regression ♻ (reference ♻), i386: Regression ♻ (reference ♻), ppc64el: Regression ♻ (reference ♻), riscv64: Regression ♻ (reference ♻), s390x: Regression ♻ (reference ♻)

I've just uploaded rust-magic-wormhole 0.7.7 which should fix this.