chore(deps): update golang docker tag to v1.26.2 (#87)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -1,5 +1,5 @@
 # Build the k6 binary with the extension
-FROM golang:1.26.1@sha256:e2ddb153f786ee6210bf8c40f7f35490b3ff7d38be70d1a0d358ba64225f6428 as builder
+FROM golang:1.26.2@sha256:2a2b4b5791cea8ae09caecba7bad0bd9631def96e5fe362e4a5e67009fe4ae61 as builder
 
 ENV GRAFANA_K6_VERSION="0.56.0"
 ENV XK6_MONGO_VERSION="1.1.0"