Bump the docker group with 2 updates (#29)

Bumps the docker group with 2 updates: golang and alpine.


Updates `golang` from 1.25.1 to 1.25.3

Updates `alpine` from 3.22.1 to 3.22.2

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.25.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker
- dependency-name: alpine
  dependency-version: 3.22.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.25.1 AS builder
+FROM golang:1.25.3 AS builder
 WORKDIR /workspace
 
 COPY go.mod go.mod
@@ -11,7 +11,7 @@ COPY internal/controller/ internal/controller/
 
 RUN CGO_ENABLED=0 go build -a -o manager cmd/main.go
 
-FROM alpine:3.22.1
+FROM alpine:3.22.2
 WORKDIR /
 COPY --from=builder /workspace/manager .
 USER 65532:65532