chore(deps): update golang docker tag to v1.26.0

| datasource | package | from   | to     |
| ---------- | ------- | ------ | ------ |
| docker     | golang  | 1.25.7 | 1.26.0 |
| docker     | golang  | 1.25.6 | 1.26.0 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

scripts/dashboard-converter/Dockerfile

@@ -1,5 +1,5 @@
 # Build Go Binary
-FROM golang:1.25.6@sha256:06d1251c59a75761ce4ebc8b299030576233d7437c886a68b43464bad62d4bb1 AS build
+FROM golang:1.26.0@sha256:c83e68f3ebb6943a2904fa66348867d108119890a2c6a2e6f07b38d0eb6c25c5 AS build
 
 WORKDIR /app
 COPY ["go.mod", "go.sum", "./"]
@@ -11,7 +11,7 @@ ENV GOCACHE=/go/pkg/mod/
 RUN --mount=type=cache,target="/go/pkg/mod/" go build -o dashboard-converter .
 
 # Build Image
-FROM golang:1.25.7-alpine@sha256:f6751d823c26342f9506c03797d2527668d095b0a15f1862cddb4d927a7a4ced
+FROM golang:1.26.0-alpine@sha256:d4c4845f5d60c6a974c6000ce58ae079328d03ab7f721a0734277e69905473e5
 RUN apk add --no-cache ca-certificates
 
 WORKDIR /root