Update alpine Docker tag to v3.22

Author: renovate[bot]

container/aquila/Dockerfile

@@ -6,7 +6,7 @@ WORKDIR /aquila
 COPY projects/aquila .
 RUN cargo build --release
 
-FROM alpine:3.21
+FROM alpine:3.22
 
 RUN apk --update add libc6-compat
 COPY --from=builder /aquila/target/release/aquila .

container/draco/Dockerfile

@@ -8,7 +8,7 @@ COPY projects/draco .
 WORKDIR /draco/adapters/$VARIANT
 RUN cargo build --release
 
-FROM alpine:3.21
+FROM alpine:3.22
 ARG VARIANT
 
 RUN apk --update add libc6-compat

container/taurus/Dockerfile

@@ -6,7 +6,7 @@ WORKDIR /taurus
 COPY projects/taurus .
 RUN cargo build --release
 
-FROM alpine:3.21
+FROM alpine:3.22
 
 RUN apk --update add libc6-compat
 COPY --from=builder /taurus/target/release/taurus .