build(deps): bump alpine from 3.20.3 to 3.21.0

Bumps alpine from 3.20.3 to 3.21.0.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -10,7 +10,7 @@ COPY src/ src/
 RUN cargo build --release
 
 # Release Stage
-FROM alpine:3.20.3 as release
+FROM alpine:3.21.0 as release
 LABEL author="Hydragyrum <https://github.com/Hydragyrum>"
 LABEL author="LeoFVO <https://github.com/LeoFVO>"