chore: bump alpine in /build/gateway/wireguard in the docker-deps group

Bumps the docker-deps group in /build/gateway/wireguard with 1 update: alpine.


Updates `alpine` from 3.21.3 to 3.22.0

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.22.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: docker-deps
...

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

Author: dependabot[bot]

build/gateway/wireguard/Dockerfile

@@ -17,7 +17,7 @@ COPY . ./
 RUN CGO_ENABLED=0 GOOS=linux GOARCH=$(go env GOARCH) go build -ldflags="-s -w" ./cmd/gateway/wireguard
 
 
-FROM alpine:3.21.3
+FROM alpine:3.22.0
 
 RUN apk update && \
     apk add iproute2 nftables bash wireguard-tools tcpdump conntrack-tools curl iputils && \