chore(deps): Bump alpine from 3.15 to 3.20

Bumps alpine from 3.15 to 3.20.

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

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -7,7 +7,7 @@ RUN apk add git && \
     CGO_ENABLED=0 go build -ldflags '-s -w' -o /jiravars
 
 
-FROM alpine:3.18
+FROM alpine:3.20
 
 EXPOSE 9300
 ENTRYPOINT ["/jiravars"]