Prepare release v5.16.0

[adidahiya]

v5.16.0

• [bugfix] Excuse more quotemark backtick edge cases and fix behavior for TS < 2.7.1 ([quotemark] Excuse more backtick edge cases #4642)
• [bugfix] Fix regression in interface-name rule related to numeric characters in interface names (Fix interfaceName rule #4655, Fix interface name rule #4626)
• [enhancement] Update nyc from v10.2.0 to v13.3.0 ([enhancement] Update nyc from v10.2.0 to v13.3.0 #4633)
• [enhancement] Migrate from deprecated babel-code-frame package to new @babel/code-frame package ([enhancement] Update babel-code-frame to @babel/code-frame #4632)
• [enhancement] Improve error message for restrict-plus-operands rule. (Include actual types for restrict-plus-operands. #4635)
• [enhancement] comment-format rule now whitelists //region comments generated by JetBrains IDE (comment-format: whitelist //region comments #4609)
• [enhancement] Relax no-null-undefined-union rule. (Relax "no-null-undefined-union" rule. #4625)
• [new-rule-option] allow-else-if option for unnecessary-else rule ([unnecessary-else] Allowed skipping else if statements via options #4599)
• [documentation] Fix "identifer" typo in custom rules docs (fix identifer to identifier typo - note missing (i) #4657)
• [documentation] Fix code example for switch-default rule (Remove unnecessary break in switchDefault example #4650)
• [documentation] Fix documentation example for prose formatter (4515 #4656)
• [documentation] no-parameter-properties: fix unclear rule description (no-parameter-properties: fix unclear rule description #4629)
• [documentation] Fix typo in rule docs generation (Fix typo in rule docs generation #4638)

Thanks to our contributors!

• Oleg Artene
• William Neely
• Bjorn Stromberg
• Matthew Barry
• Neha Rathi
• Vincent Langlet
• rarenal
• Greg Jednaszewski
• Adam Postma
• Eric Ferreira
• Evgeniy Timokhov
• Martin Probst