chore(deps): update golang docker tag to v1.25 (#1324)

Author: renovate-bot

taskcluster/docker/skopeo/Dockerfile

@@ -2,7 +2,7 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-FROM golang:1.14 as skopeo
+FROM golang:1.25@sha256:ce63a16e0f7063787ebb4eb28e72d477b00b4726f79874b3205a965ffd797ab2 as skopeo
 
 WORKDIR /go/src/
 RUN ["/usr/bin/git", "clone", "--no-checkout", "--depth=1", "--branch=v1.1.0", "https://github.com/containers/skopeo", "."]
@@ -15,7 +15,7 @@ RUN ["/usr/local/go/bin/go", "build", \
     "./cmd/skopeo"]
 
 
-FROM golang:1.14 as umoci
+FROM golang:1.25@sha256:ce63a16e0f7063787ebb4eb28e72d477b00b4726f79874b3205a965ffd797ab2 as umoci
 
 WORKDIR /go/src/
 RUN ["/usr/bin/git", "clone", "--no-checkout", "--depth=1", "--branch=v0.4.6", "https://github.com/opencontainers/umoci", "."]