fix: cldf and mcms outdated

[patricios-space]

NONEVM-5213

chainlink-ccip test_smoke.yml workflow (dispatched by cl-ton PR) is failing due to outdated dependencies:

go: upgraded github.com/smartcontractkit/chainlink-deployments-framework v0.101.1 => v0.105.0: error finding sum for github.com/smartcontractkit/chainlink-deployments-framework@v0.105.0: reading github.com/smartcontractkit/chainlink-deployments-framework/go.mod at revision v0.105.0: unknown revision refs/tags/v0.105.0
go: upgraded github.com/smartcontractkit/mcms v0.40.1 => v0.45.0: error finding sum for github.com/smartcontractkit/mcms@v0.45.0: reading github.com/smartcontractkit/mcms/go.mod at revision v0.45.0: unknown revision refs/tags/v0.45.

[github-actions]

Metric	chore/bump-deployments-framework-mcms-for-ton-smoke	main
Coverage	69.9%	69.6%

[Copilot]

Pull request overview

This PR refreshes outdated Go module dependencies that were blocking downstream consumers (notably chainlink-ton) from upgrading to chainlink-deployments-framework v0.105.0 and mcms v0.45.0. It also bumps the required Go toolchain to 1.26 and regenerates mock files with the new mockery output ordering.

Changes:

• Bump go directive to 1.26.2 and updated Makefile's ensure_go_version check to go1.26; pull forward many transitive dependencies in go.mod/go.sum and devenv/go.mod/devenv/go.sum (including chainlink-common, chain-selectors, libocr, chainlink-deployments-framework v0.105.0, mcms v0.45.0, chainlink-ton, ethereum, prometheus, crypto/net/sys/text, etc.).
• Update go.md dependency graph to reflect the new edges (e.g., chainlink-deployments-framework now points to chains/evm, job-distributor, mcms; new go-sumtype2 node; chainlink-ton/deployment no longer depends on those — the inverse relationship).
• Regenerate mock files under mocks/... (purely import-grouping/whitespace differences from a newer mockery version).

Reviewed changes

Copilot reviewed 4 out of 22 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Makefile	Require Go 1.26 instead of 1.25
go.mod / go.sum	Go 1.26.2 toolchain; upgrade direct and indirect dependencies
devenv/go.mod / devenv/go.sum	Mirror dependency upgrades in devenv module (cldf, mcms, ton, common, etc.)
go.md	Update dependency graph after cldf/ton restructuring
mocks/**/*.go (15 files)	Regenerated mock import blocks (no behavioral changes)

Files not reviewed (16)

• mocks/chainlink_common/ccipocr3/chain_accessor.go: Language not supported
• mocks/chainlink_common/ccipocr3/commit_plugin_codec.go: Language not supported
• mocks/chainlink_common/ccipocr3/execute_plugin_codec.go: Language not supported
• mocks/chainlink_common/types/contract_writer.go: Language not supported
• mocks/commit/merkleroot/observer.go: Language not supported
• mocks/commit/merkleroot/rmn/controller.go: Language not supported
• mocks/internal_/plugincommon/chain_support.go: Language not supported
• mocks/internal_/reader/home_chain.go: Language not supported
• mocks/libocr_networking/peer_group_factory.go: Language not supported
• mocks/pkg/contractreader/contract_reader_facade.go: Language not supported
• mocks/pkg/contractreader/extended.go: Language not supported
• mocks/pkg/reader/ccip_reader.go: Language not supported
• mocks/pkg/reader/price_reader.go: Language not supported
• mocks/pkg/reader/rmn_home.go: Language not supported
• mocks/pkg/types/ccipocr3/commit_plugin_codec.go: Language not supported
• mocks/pkg/types/ccipocr3/execute_plugin_codec.go: Language not supported

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