Remove Bundler v1 Deprecation and Unsupported Feature Flags and Deactivate Bundler v1 CI Tests #26771

Job	Run time
Updater	2m 15s
ci (bundler, bundler, bundler)	3m 18s
integration	23s
Lint	55s
ci (cargo, cargo, cargo)	1m 19s
ci (common, common, common)	49s
ci (composer, composer, composer)	2m 37s
ci (docker, docker, docker)	32s
ci (elm, elm, elm)	44s
ci (git_submodules, git_submodules, gitsubmodule)	33s
ci (github_actions, github_actions, github-actions)	36s
ci (go_modules, go_module, gomod)	3m 32s
ci (gradle, gradle, gradle)	37s
ci (hex, hex, mix)	4m 3s
ci (maven, maven, maven)	34s
ci (npm_and_yarn, npm_and_yarn, npm)	6m 22s
ci (nuget, nuget, nuget)	8m 27s
ci (pub, pub, pub)	5m 39s
ci (python, python, pip)	8m 27s
ci (python, python_slow, pip)	3m 15s
ci (swift, swift, swift)	4m 7s
ci (devcontainers, devcontainers, devcontainers)	41s
ci (terraform, terraform, terraform)	2m 45s
	1h 2m 30s

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