Add Bearer authentication type

[gschueler]

Summary

Adds Bearer as an authentication value alongside None, Basic and OAuth 2.0.

• The password/token field holds the token and is resolved through key storage like the other authentication types, then sent verbatim as Authorization: Bearer <token>.
• Selecting Bearer without a token throws a ConfigurationFailure, matching how Basic handles a missing password.
• The password property is retitled to "Password/Client Secret/Token" since it now also carries the bearer token.

The persisted option value is Bearer (title-cased for consistency with None / Basic / OAuth 2.0).

Test plan

./gradlew test — 82 tests, all passing.

• HttpBuilderTest: 7 cases over getAuthHeader — plain token, username ignored, no OAuth client built even when a token endpoint is still configured, token read from key storage, missing token → ConfigurationFailure, plus regression checks that Basic and None are unchanged.
• HttpWorkflowStepPluginTest / HttpWorkflowNodeStepPluginTest: 3 cases each against a WireMock endpoint that requires Authorization: Bearer <token> and 401s otherwise — success across all seven HTTP methods, wrong token fails, missing token is a config failure. Confirms the header reaches the wire in both plugins.
• New HttpDescriptionTest: the select values are exactly None, Basic, Bearer, OAuth 2.0, and the default remains None.

🤖 Generated with Claude Code

[Copilot]

Pull request overview

Adds first-class Bearer token authentication to the HTTP step plugins, wiring it through the shared HttpBuilder auth header generation and updating plugin configuration metadata and tests to cover the new option.

Changes:

• Added Bearer as a supported authentication option and implemented Authorization: Bearer <token> header creation.
• Updated plugin configuration description/labels to reflect the password field’s expanded role (password / client secret / token).
• Added/extended unit + integration tests (WireMock) to validate Bearer auth behavior across workflow step and node step plugins.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/main/java/edu/ohio/ais/rundeck/HttpBuilder.java	Adds AUTH_BEARER and Bearer header generation in getAuthHeader.
src/main/java/edu/ohio/ais/rundeck/HttpDescription.java	Adds Bearer to the authentication select list and retitles the password field.
src/test/java/edu/ohio/ais/rundeck/HttpBuilderTest.java	Adds unit tests for Bearer header generation, storage resolution, and config validation.
src/test/java/edu/ohio/ais/rundeck/HttpWorkflowStepPluginTest.java	Adds WireMock-backed workflow-step Bearer auth coverage and config validation test.
src/test/java/edu/ohio/ais/rundeck/HttpWorkflowNodeStepPluginTest.java	Adds WireMock-backed node-step Bearer auth coverage and config validation test.
src/test/java/edu/ohio/ais/rundeck/HttpDescriptionTest.java	New test asserting the authentication property includes Bearer and defaults remain unchanged.

[mtrudel]

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