Update alpine Docker tag to v3.22.0 (#136)

* Update alpine Docker tag to v3.22.0

* Update Dockerfile

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Mads Jon Nielsen <madsjon@gmail.com>

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 FROM cloudflare/cloudflared:2025.6.0 as cloudflared
-FROM alpine:3.21.3
+FROM alpine:3.22.0
 
-RUN apk add jq~=1.7 --no-cache
+RUN apk add jq~=1.8 --no-cache
 
 COPY --from=cloudflared /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 COPY --from=cloudflared /usr/local/bin/cloudflared /usr/local/bin