opam 2.0.7 release

We are pleased to announce the minor release of opam 2.0.7.

This new version contains backported small fixes:

• Escape Windows paths on manpages [#4129 @AltGr @rjbou]
• Fix opam installer opam file [#4058 @rjbou]
• Fix various warnings [#4132 @rjbou @AltGr - fix #4100]
• Fix dune 2.5.0 promote-install-files duplication [#4132 @rjbou]

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Installation instructions (unchanged):

1. From binaries: run

   bash -c "sh <(curl -fsSL https://raw.githubusercontent.com/ocaml/opam/master/shell/install.sh) --version 2.0.7"
   

   or download manually from the Github "Releases" page to your PATH. In this case, don't forget to run opam init --reinit -ni to enable sandboxing if you had version 2.0.0~rc manually installed or to update you sandbox script.

2. From source, using opam:

   opam update; opam install opam-devel
   

   (then copy the opam binary to your PATH as explained, and don't forget to run opam init --reinit -ni to enable sandboxing if you had version 2.0.0~rc manually installed or to update you sandbox script)

3. From source, manually: see the instructions in the README.

We hope you enjoy this new minor version, and remain open to bug reports and suggestions.

NOTE: this article is cross-posted on opam.ocaml.org and ocamlpro.com. Please head to the latter for the comments!