[ISO/CS C++2023] Re-paginate to avoid lone "Example" or "Note" introducers

[jensmaurer]

• 6.4.1 General move "EXAMPLE 4" on next page
• 6.5.4 Argument-dependent name lookup Please move "Example 1" to the next page
• 6.7.7 Temporary objects move "EXAMPLE 2" to the next page
• 7.6.1.1 General should this be an "EXAMPLE"? Please consider adding this in the sentence above "Postfix expressions group left-to-right, as shown below."
• 9.4.2 Aggregates move "EXAMPLE 3" to the next page
• 9.12.1 Attribute syntax and semantics Move "Example 1" to the next page.
• 11.8.5 Protected member access move EXAMPLE to the next page
• 11.10.2 Equality operator Move "example" to next page.
• 12.2.2.9 Class template argument deduction move "example 2" to the next page.
• 13.7.4 Variadic templates move "EXAMPLE 7" to the next page. Also please check the size of the font is uniform.
• 13.9.2 Implicit instantiation move "EXAMPLE 11" to the next page and ensure the font is the same size
• 13.9.3 Explicit instantiation move "EXAMPLE 2" to the next page and ensure the font is the same size
• 13.10.2 Explicit template argument specification move "example 3" to the next page
• 13.10.3.1 General move "example 5" to the next page
• 13.10.3.6 Deducing template arguments from a type Move "Example 13" to the next page
• 26.7.7.1 Overview move "example" to the next page
• 29.8.11.1 Overview move "example" to the next page.
• 31.12.6.5.11 Generation move "example 1" to the next page.

[tkoeppe]

(Leave with me for final vertical review.)

[jensmaurer]

Pull request #6989 fixes the majority of occurrences by adjusting vertical break penalties.
(For the core language section of the current draft, there is only a single occurrence that remains.)

[jensmaurer]

Fixed by #7274