Update golang Docker tag to v1.22.5

Dockerfile

@@ -4,7 +4,7 @@
 #
 # Nothing fancy here: we copy in the source code and build on the Alpine Go
 # image. Refer to .dockerignore to get a sense of what we're not going to copy.
-FROM golang:1.22.3-alpine@sha256:4707c052e5bd90c1c6ae16d1825e3ea5076ec1b06de30e34596b1e6f6b9916cf as builder
+FROM golang:1.22.5-alpine@sha256:0d3653dd6f35159ec6e3d10263a42372f6f194c3dea0b35235d72aabde86486e as builder
 
 COPY . /src
 WORKDIR /src