Update dependency shfmt to v3.7.0

[renovate]

This PR contains the following updates:

Package	Update	Change
shfmt	minor	3.6.0 -> 3.7.0

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Release Notes

mvdan/sh (shfmt)

v3.7.0

Compare Source

• syntax
  • Correctly parse $foo#bar as a single word - #​1003
  • Make &> redirect operators an error in POSIX mode - #​991
  • Avoid producing invalid shell when minifying some heredocs - #​923
  • Revert the simplification of ${foo:-} into ${foo-} - #​970
• interp
  • Add ExecHandlers to support layering multiple middlewares - #​964
  • Add initial support for the select clause - #​969
  • Support combining the errexit and pipefail options - #​870
  • Set EUID just like UID - #​958
  • Replace panics on unimplemented builtins with errors - #​999
  • Tweak build tags to support building for js/wasm - #​983
• syntax/typedjson
  • Avoid reflect.Value.MethodByName to reduce binary sizes - #​961

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