config, session: add upgrade to version90 in bootstrap.go

[espresso98]

What problem does this PR solve?

Issue Number: ref #33769

Problem Summary:

What is changed and how it works?

This work changes the current bootstrap version to 90 and add upgrade function to ver90 which converts enable-batch-dml, mem-quota-query, query-log-max-len, committer-concurrency, run-auto-analyze, and oom-action to a sysvar.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

The most current version in bootstrap.go is now version90, which converts `enable-batch-dml`, `mem-quota-query`, `query-log-max-len`, `committer-concurrency`, `run-auto-analyze`, and `oom-action` to a sysvar.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• bb7133
• morgo

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[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/058f013eaf9a5c9d78fc4f0db3be05d1d8fafedb

[bb7133]

LGTM

[bb7133]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 058f013

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! [1] CI still failing after this pr merged.
These failed integration tests don't seem to be introduced by the current PR.

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci/integration-cdc-test	🔴 failed 1, success 33, total 34	23 min	Existing failure
idc-jenkins-ci-tidb/integration-common-test	🟢 all 11 tests passed	12 min	Existing passed
idc-jenkins-ci-tidb/integration-ddl-test	🟢 all 6 tests passed	6 min 9 sec	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 12 tests passed	5 min 58 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	5 min 57 sec	Existing passed
idc-jenkins-ci-tidb/tics-test	🟢 all 1 tests passed	5 min 55 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	5 min 1 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 7 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	2 min 49 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed