chore(deps): bump flink.version from 1.16.1 to 2.2.1

[dependabot]

Bumps flink.version from 1.16.1 to 2.2.1.
Updates org.apache.flink:flink-streaming-java from 1.16.1 to 2.2.1

Commits

• 450c63e Commit for release 2.2.1
• 5118246 [hotfix] Add log4j-layout-template-json to NOTICE
• ce68d4a [FLINK-39547][table] Fix table-planner class loading order
• 89979da [hotfix][ci] Set correct maven repo folder in flink-ci (#28049)
• e0b566f [FLINK-33903][ci] Reenable tests in GHA
• b976e79 [FLINK-39293][table] MATCH_RECOGNIZE fails with SqlParserException in views
• 66689e4 [FLINK-39534][python] Bump pemja to 0.5.7 (#28016)
• 61b85e2 [FLINK-39480][ci] Python wheel on MacOS fails for all 2.x branches
• 176dee1 [FLINK-39424][table] Setting LIKE does not support default escape characters
• bc0a0ea [FLINK-39395][build] Add spotless upToDateChecking
• Additional commits viewable in compare view

Updates org.apache.flink:flink-table-api-java from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-table-api-java-bridge from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-table-common from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-connector-base from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-test-utils from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-runtime from 1.16.1 to 2.2.1

Commits

• 450c63e Commit for release 2.2.1
• 5118246 [hotfix] Add log4j-layout-template-json to NOTICE
• ce68d4a [FLINK-39547][table] Fix table-planner class loading order
• 89979da [hotfix][ci] Set correct maven repo folder in flink-ci (#28049)
• e0b566f [FLINK-33903][ci] Reenable tests in GHA
• b976e79 [FLINK-39293][table] MATCH_RECOGNIZE fails with SqlParserException in views
• 66689e4 [FLINK-39534][python] Bump pemja to 0.5.7 (#28016)
• 61b85e2 [FLINK-39480][ci] Python wheel on MacOS fails for all 2.x branches
• 176dee1 [FLINK-39424][table] Setting LIKE does not support default escape characters
• bc0a0ea [FLINK-39395][build] Add spotless upToDateChecking
• Additional commits viewable in compare view

Updates org.apache.flink:flink-table-planner_2.12 from 1.16.1 to 2.2.1

Updates org.apache.flink:flink-clients from 1.16.1 to 2.2.1

Commits

• 450c63e Commit for release 2.2.1
• 5118246 [hotfix] Add log4j-layout-template-json to NOTICE
• ce68d4a [FLINK-39547][table] Fix table-planner class loading order
• 89979da [hotfix][ci] Set correct maven repo folder in flink-ci (#28049)
• e0b566f [FLINK-33903][ci] Reenable tests in GHA
• b976e79 [FLINK-39293][table] MATCH_RECOGNIZE fails with SqlParserException in views
• 66689e4 [FLINK-39534][python] Bump pemja to 0.5.7 (#28016)
• 61b85e2 [FLINK-39480][ci] Python wheel on MacOS fails for all 2.x branches
• 176dee1 [FLINK-39424][table] Setting LIKE does not support default escape characters
• bc0a0ea [FLINK-39395][build] Add spotless upToDateChecking
• Additional commits viewable in compare view

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[fightBoxing]

⚠️ Concern: This may break the multi-version Flink module structure proposed in #17

Hi @dependabot, thanks for the bump. Before this gets merged I'd like to flag a few concerns for the maintainers:

1. Flink 1.x → 2.x is a breaking major upgrade

This PR changes flink.version from 1.16.1 to 2.2.1 in a single line. Flink 2.x removes / renames a significant amount of public API (DataStream, Table API, SourceFunction, RichSinkFunction deprecations, type system changes, etc.), and almost certainly will not compile against the current source tree without code changes. The diff here only touches pom.xml, with no accompanying source-code adaptation.

2. Direct conflict with PR #17 (multi-version Flink modules)

PR #17 introduces a per-Flink-version module layout specifically targeting the 1.x line:

• lance-flink-1.17/
• lance-flink-1.18/
• lance-flink-1.19/
• lance-flink-1.20/

If #41 is merged first, the entire 1.17–1.20 compatibility matrix in #17 becomes moot, and #17 will need to be redesigned (or scrapped) — that's a significant amount of contributor work to invalidate by accident.

3. Suggested path forward

I'd propose:

• Hold chore(deps): bump flink.version from 1.16.1 to 2.2.1 #41 until the project decides on a Flink-version policy (stay on 1.x line, support both, or migrate to 2.x as a separate effort).
• If the project does want to move to 2.x, that should likely be a dedicated, hand-crafted PR with: code adaptations, test updates, possibly a deprecation of 1.x support, and a CHANGELOG entry — not an automated dependabot bump.
• In the meantime, configuring dependabot to ignore Flink major-version bumps (ignore: { dependency-name: "org.apache.flink:*", update-types: ["version-update:semver-major"] } in .github/dependabot.yml) would prevent this kind of surprise PR.

cc @fightBoxing (author of #17) — your input would be valuable here.

No objection to closing this PR with @dependabot ignore this major version if the maintainers agree.