🌱 Bump golang from 1.24.7 to 1.26.1

Bumps golang from 1.24.7 to 1.26.1.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.26.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM golang:1.25.8 AS builder
+FROM golang:1.26.1 AS builder
 ARG TARGETOS
 ARG TARGETARCH