Avoid macOS GPG socket overflow on long runner paths (#1266)

* Initial plan

* Fix signature verification GPG homes on long runner paths

* Keep macOS GPG verification homes within socket limits

Use /tmp for signature verification on macOS while preserving runner temp behavior elsewhere. Cover long and canonical OS temp paths and regenerate action bundles.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 32d31c8d-ddbc-4e57-a5c3-f70588fef3f3

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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Bruno Borges <brborges@microsoft.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 32d31c8d-ddbc-4e57-a5c3-f70588fef3f3

Avoid macOS GPG socket overflow on long runner paths (#1266)

* Initial plan

* Fix signature verification GPG homes on long runner paths

* Keep macOS GPG verification homes within socket limits

Use /tmp for signature verification on macOS while preserving runner temp behavior elsewhere. Cover long and canonical OS temp paths and regenerate action bundles.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 32d31c8d-ddbc-4e57-a5c3-f70588fef3f3

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Bruno Borges <brborges@microsoft.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
Copilot-Session: 32d31c8d-ddbc-4e57-a5c3-f70588fef3f3

Prepare documentation for v6 release (#1253)

Update public examples and release messaging to make v6 the recommended stable version, include late-cycle v6 features, and increase the JetBrains test timeout to avoid cold-run flakes.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: 24e3d384-3bda-4ca3-b1fc-f49e340c174f

Deprecate setup-java v4 (#1194)

Add a deprecation message to the v4 action metadata and emit a runtime warning that v4 will no longer receive updates, directing users to migrate to setup-java v5.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: c8931f2e-fb40-497a-b529-be37cb97a0ae

Deprecate setup-java v4 (#1194)

Add a deprecation message to the v4 action metadata and emit a runtime warning that v4 will no longer receive updates, directing users to migrate to setup-java v5.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: c8931f2e-fb40-497a-b529-be37cb97a0ae

Deprecate setup-java v3 (#1195)

Add a deprecation message to the v3 action metadata and emit a runtime warning that v3 will no longer receive updates, directing users to migrate to setup-java v5.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Deprecate setup-java v3 (#1195)

Add a deprecation message to the v3 action metadata and emit a runtime warning that v3 will no longer receive updates, directing users to migrate to setup-java v5.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Deprecate setup-java v2 (#1196)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Deprecate setup-java v2 (#1196)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Deprecate setup-java v1 (#1197)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>