chore(dockerfile): update golangci-lint to v1.60.3

Signed-off-by: Derek Su <derek.su@suse.com>

Dockerfile.dapper

@@ -10,6 +10,8 @@ ENV DAPPER_ENV TAG REPO DRONE_REPO DRONE_PULL_REQUEST DRONE_COMMIT_REF
 ENV DAPPER_OUTPUT bin coverage.out
 ENV DAPPER_SOURCE /go/src/github.com/longhorn/backing-image-manager
 
+ENV GOLANGCI_LINT_VERSION="v1.60.3"
+
 WORKDIR ${DAPPER_SOURCE}
 ENTRYPOINT ["./scripts/entry"]
 CMD ["ci"]
@@ -24,7 +26,7 @@ RUN zypper -n install cmake wget curl git less file \
     perl-Config-General libaio-devel glibc-devel-static glibc-devel iptables libltdl7 libdevmapper1_03 iproute2 jq docker gcc
 
 ## Install golangci-lint
-RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b /go/bin v1.55.2
+RUN curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- -b $(go env GOPATH)/bin ${GOLANGCI_LINT_VERSION}
 
 ## Install Docker Buildx: The docker version in dapper is too old to have buildx. Install it manually.
 RUN curl -sSfLO https://github.com/docker/buildx/releases/download/v0.13.1/buildx-v0.13.1.linux-${ARCH} && \