chore(deps): update alpine docker tag to v3.22

Author: renovate[bot]

Containerfile

@@ -4,7 +4,7 @@
 # ================================================================================
 
 # Build stage
-FROM alpine:3.20 AS builder
+FROM alpine:3.22 AS builder
 
 # Build arguments
 ARG UNREALIRCD_VERSION=6.1.10
@@ -77,7 +77,7 @@ RUN make install && \
     chown -R unrealircd:unrealircd /home/unrealircd/unrealircd
 
 # Runtime stage
-FROM alpine:3.20
+FROM alpine:3.22
 
 # Runtime arguments
 ARG UID=1000

atheme/Containerfile

@@ -1,7 +1,7 @@
 # ================================================================================
 # Atheme Services - IRC Services Daemon
 # ================================================================================
-FROM alpine:3.20 AS builder
+FROM alpine:3.22 AS builder
 
 # Build dependencies
 RUN apk add --no-cache \
@@ -31,7 +31,7 @@ RUN cd /usr/src/atheme-src && \
 # ================================================================================
 # Runtime stage
 # ================================================================================
-FROM alpine:3.20
+FROM alpine:3.22
 
 # Runtime dependencies
 RUN apk add --no-cache \