docs: r1.1.0 release note updates

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[greptile-apps]

Greptile Summary

This PR updates CHANGELOG.md and docs/about/release-notes/index.md for the NeMo Curator 1.1.0 / 26.02 release, adding entries that were missing from the initial drafts.

Changes added:

• New Megatron Tokenization Pipeline (MegatronTokenizerWriter, .bin/.idx outputs) entry in New Features and the release notes "Text and Synthetic Data Workflows" section
• New Synthetic Data Generation (SDG / Nemotron-CC workflows) entry alongside the above
• New RayClient Context Manager entry in the Improvements / Infrastructure sections of both files
• New GLiNER PII Tutorial entry in the Documentation sections of both files
• Refined wording of the Bug Fixes line ("Gliner/SDG tutorials" → "Gliner tutorial and SDG workflow bugs")

The additions are consistent with the 1.1.0 feature set described elsewhere in the repository. One minor capitalization inconsistency was found: Gliner (in the Bug Fixes line) vs GLiNER (in the Documentation line and all other references), which is worth correcting for consistency.

Confidence Score: 5/5

• This is a documentation-only PR with accurate content and no code changes; safe to merge.
• All changes are additive documentation updates. The single identified issue (GLiNER capitalisation in the Bug Fixes line) is a non-blocking P2 style fix that does not affect correctness or functionality.
• No files require special attention.

Important Files Changed

Filename	Overview
CHANGELOG.md	Adds Megatron Tokenization, SDG, and RayClient entries to 1.1.0 section; updates Bug Fixes and Documentation lines — minor "Gliner" vs "GLiNER" capitalization inconsistency within the same file.
docs/about/release-notes/index.md	Adds "Text and Synthetic Data Workflows" section, RayClient Context Manager entry, and GLiNER PII Tutorial entry — content is accurate and well-placed; pre-existing "Gliner" in the Bug Fixes section creates a cosmetic inconsistency with the newly added "GLiNER" entry.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A["1.1.0 Release Notes Update"] --> B["CHANGELOG.md"]
    A --> C["docs/about/release-notes/index.md"]

    B --> B1["New Features\n+ Megatron Tokenization Pipeline\n+ Synthetic Data Generation"]
    B --> B2["Improvements\n+ RayClient Context Manager"]
    B --> B3["Bug Fixes\n~ Gliner/SDG wording refined"]
    B --> B4["Documentation\n+ GLiNER PII Tutorial"]

    C --> C1["New Section: Text & Synthetic Data Workflows\n+ Megatron Tokenization Pipeline\n+ Synthetic Data Generation (SDG)"]
    C --> C2["Infrastructure & Developer Experience\n+ RayClient Context Manager"]
    C --> C3["Documentation Improvements\n+ GLiNER PII Tutorial"]

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_{Reviews (1): Last reviewed commit: "Merge branch 'llane/r1.1.0-release-note-..." | Re-trigger Greptile}

[greptile-apps]

Inconsistent "GLiNER" capitalization

The Bug Fixes line uses Gliner (line 29), while the Documentation line added in the same PR uses GLiNER (line 41) — which is the correct product name. This creates a capitalization mismatch within the same file.

The same inconsistency exists in docs/about/release-notes/index.md at line 105 (Fixed Gliner tutorial examples...), although that line is pre-existing and not part of this diff.

Suggested change

	- FastText numpy>2 compatibility, NeMo doc links, ID generator blocking, vLLM video API, Gliner tutorial and SDG workflow bugs, semantic dedup test reliability
	- FastText numpy>2 compatibility, NeMo doc links, ID generator blocking, vLLM video API, GLiNER tutorial and SDG workflow bugs, semantic dedup test reliability

[sarahyurick]

/ok to test cb3f3bf