en, zh: fix code typo in exceptions

[lilin90]

What is changed, added, or deleted? (Required)

Fix a typo in a code block

Which TiDB Operator version(s) do your changes apply to? (Required)

• [x] master (the latest development version)
• [x] v1.6 (TiDB Operator 1.6 versions)
• [x] v1.5 (TiDB Operator 1.5 versions)
• [x] v1.4 (TiDB Operator 1.4 versions)
• [x] v1.3 (TiDB Operator 1.3 versions)
• [x] v1.2 (TiDB Operator 1.2 versions)

What is the related PR or file link(s)?

• This PR is translated from:
• Other reference link(s):

[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-04-13 07:05:56.008829477 +0000 UTC m=+62575.119875927: :ballot_box_with_check: agreed by hfxsd.

[hfxsd]

/approve

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hfxsd

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[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-1.5: #2548.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-1.6: #2549.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-1.2: #2550.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-1.3: #2551.

[ti-chi-bot]

In response to a cherrypick label: new pull request created to branch release-1.4: #2552.