Bump operator version to v1.1.11

[handlerww]

What problem does this PR solve?

Bump operator to v1.1.11

What is changed and how does it work?

ref #3756
run script hack/bump-version.sh to bump TiDB Operator from v1.1.10 to v1.1.11.

Code changes

• Has Go code change
• Has CI related scripts change

Tests

• Unit test
• E2E test
• Manual test
• No code

Side effects

• Breaking backward compatibility
• Other side effects:

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

NONE

[DanielZhangQD]

LGTM

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• DanielZhangQD

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[DanielZhangQD]

/merge

[ti-chi-bot]

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

Commit hash: c07989b