fix(deps): bump the docker group across 7 directories with 5 updates

[dependabot]

Bumps the docker group with 1 update in the /cmd/config-reloader directory: golang.
Bumps the docker group with 2 updates in the /cmd/datasource-syncer directory: golang and prometheus-engine/datasource-syncer.
Bumps the docker group with 2 updates in the /cmd/frontend directory: golang and serverless-runtimes/google-24-full/runtimes/nodejs24.
Bumps the docker group with 1 update in the /cmd/operator directory: golang.
Bumps the docker group with 1 update in the /cmd/rule-evaluator directory: golang.
Bumps the docker group with 2 updates in the /examples/instrumentation/go-synthetic directory: golang and prometheus-engine/example-app.
Bumps the docker group with 2 updates in the /hack directory: golang and docker.

Updates golang from 1.25.12 to 1.26.5

Updates golang from 1.25.12 to 1.26.5

Updates prometheus-engine/datasource-syncer from v0.17.2-gke.2 to v0.18.1-gke.2

Updates golang from 1.25.12 to 1.26.5

Updates serverless-runtimes/google-24-full/runtimes/nodejs24 from 12f9b32 to 68575c6

Updates golang from 1.25.12 to 1.26.5

Updates golang from 1.25.12 to 1.26.5

Updates golang from 1.25.12 to 1.26.5

Updates prometheus-engine/example-app from v0.15.0-gke.8 to v0.17.0-gke.8

Updates golang from 1.25.12 to 1.26.5

Updates docker from 28.3-cli to 29.6-cli

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[bwplotka]

Updates prometheus-engine/example-app from v0.15.0-gke.8 to v0.17.0-gke.8

Those are wrong.

[dependabot]

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