ITK Software Guide 5.4.2

What's Changed

• DOC: Update single PDF cover page for ITK 5.4.0 by @thewtex in #214
• DOC: Fix a typo in CreateAModule chapter by @dzenanz in #215
• ENH: Add section "Initializing variables of fixed size array types" by @N-Dekker in #216
• COMP: Replace backticks with \code{} in Initialization and Assignment by @N-Dekker in #217
• DOC: Update supported compiler version information by @dzenanz in #219
• DOC: Describe ITK_DEFAULT_COPY_AND_MOVE by @N-Dekker in #220
• ENH: Bump ITK to v5.4.2 by @thewtex in #221

Full Changelog: v5.4.0...v5.4.2