Add package of sapmachine-21

[Merlin-Xu-G]

Closes #603

• [✅] I have read the Contributing Guide.

[coderabbitai]

Summary by CodeRabbit

Release Notes

• New Features
  • SapMachine LTS JDK and JRE updated to version 21.0.11
  • SapMachine 21 JDK and JRE distributions now available for installation

Walkthrough

The PR bumps the existing sapmachine-lts-jdk and sapmachine-lts-jre manifests from version 17.0.19 to 21.0.11, updating download URLs, SHA-256 hashes, extract directories, and checkver JSONPath selectors. It also adds two new version-pinned manifests, sapmachine21-jdk and sapmachine21-jre, for SapMachine 21.0.11 on Windows x64.

Changes

SapMachine 21 Manifests

Layer / File(s)	Summary
LTS JDK and JRE version bump to 21.0.11 bucket/sapmachine-lts-jdk.json, bucket/sapmachine-lts-jre.json	Version, Windows x64 download URL, SHA-256 hash, extract_dir, and checkver jsonpath updated from 17.0.19 to 21.0.11 in both LTS manifests.
New sapmachine21 JDK and JRE manifests bucket/sapmachine21-jdk .json, bucket/sapmachine21-jre.json	New version-pinned manifests for SapMachine 21.0.11 defining metadata, Windows x64 artifact URL and hash, extract_dir, env_add_path, JAVA_HOME via env_set, and checkver/autoupdate rules with JSONPath, regex capture groups, URL templating, and SHA file retrieval.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: adding a package for SAP Machine 21.
Description check	✅ Passed	The description includes the required components: a reference to the linked issue (#603) and confirmation of reading the contributing guide.
Linked Issues check	✅ Passed	All coding changes meet the objectives from issue #603: new sapmachine21 JDK and JRE packages are added, LTS versions updated, meeting all acceptance criteria.
Out of Scope Changes check	✅ Passed	All changes are directly related to issue #603 requirements: adding sapmachine21 JDK/JRE packages and updating LTS version pointers.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[coderabbitai]

Actionable comments posted: 1

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: f5a798b9-e4fd-48ff-9907-2e2e25843fc3

📥 Commits

Reviewing files that changed from the base of the PR and between ca38e0d and 6c3ce48.

📒 Files selected for processing (4)

• bucket/sapmachine-lts-jdk.json
• bucket/sapmachine-lts-jre.json
• bucket/sapmachine21-jdk .json
• bucket/sapmachine21-jre.json

[coderabbitai]

⚠️ Potential issue | 🟠 Major | ⚡ Quick win

Rename manifest file to remove trailing whitespace in package name.

The file path bucket/sapmachine21-jdk .json contains a trailing space before .json. This can break the expected package identifier (sapmachine21-jdk) and cause lookup/install inconsistencies. Please rename it to bucket/sapmachine21-jdk.json.