Bump rust from 7f752ee to 77237dd in /.github/docker (#2398)

Bumps rust from `7f752ee` to `77237dd`.


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.github/docker/Dockerfile.rust

@@ -1,3 +1,3 @@
-FROM rust:1.94.1-alpine3.23@sha256:7f752ee8ea5deb9f4863d8c3f228a216a6466619882f09a44b9eda9617dc7770
+FROM rust:1.94.1-alpine3.23@sha256:77237dd363a0b127bb5ef532c2d64c0deb380b738e43a9c4bdac73398d6d0a08
 
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