Bump Go from 1.24.1 to 1.26.1 (#776)

Author: gottwald

.github/workflows/lint.yml

@@ -19,7 +19,7 @@ jobs:
 
       - uses: actions/setup-go@4b73464bb391d4059bd26b0524d20df3927bd417 # v6.3.0
         with:
-          go-version: "1.24"
+          go-version: "1.25"
           check-latest: true
           cache: false
 

Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Build the manager binary
-FROM golang:1.24.1@sha256:52ff1b35ff8de185bf9fd26c70077190cd0bed1e9f16a2d498ce907e5c421268 as builder
+FROM golang:1.26.1@sha256:c7e98cc0fd4dfb71ee7465fee6c9a5f079163307e4bf141b336bb9dae00159a5 as builder
 WORKDIR /workspace
 
 # Run this with docker build --build_arg $(go env GOPROXY) to override the goproxy