Merge rust-bitcoin#4095: Automated weekly update to rustc stable (to 1.85.0)

2349e5b Automated update to Github CI to rustc stable-1.85.0 (Update Stable Rustc Bot)

Pull request description:

  Automated update to Github CI workflow `semver-checks.yml` by [create-pull-request](https://github.com/peter-evans/create-pull-request) GitHub action

ACKs for top commit:
  tcharding:
    ACK 2349e5b

Tree-SHA512: 49d78997ea252b1a98844fe6ab7a98b798e464c6a99f7346e13611c567c7bb8abea618de00dd92fb945e84dc01d8a44d10d659ca3ef175460a534288e35e6b0e

Author: tcharding

.github/workflows/stable-version

@@ -1 +1 @@
-1.84.1
+1.85.0