Bump alpine from 3.20 to 3.22 in /bigquery/detokenize

Bumps alpine from 3.20 to 3.22.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: '3.22'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

bigquery/detokenize/Dockerfile

@@ -20,7 +20,7 @@ COPY . .
 RUN go build -o main ./cmd/main.go
 
 # Use a minimal base image to package the built binary
-FROM alpine:3.20
+FROM alpine:3.22
 
 # Set the working directory inside the container
 WORKDIR /root/