fix: yoshi/Dockerfile to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-ALPINE320-OPENSSL-8235201
- https://snyk.io/vuln/SNYK-ALPINE320-OPENSSL-8235201

yoshi/Dockerfile

@@ -24,7 +24,7 @@ COPY dependencies /etc/plugin_templates
 # by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
 RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager main.go
 
-FROM alpine:3.20
+FROM alpine:3.21.0
 RUN apk add --no-cache bash
 RUN apk add --no-cache vim
 WORKDIR /