Update cheatsheets

git-stamp

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# git stamp
+
+> Stamp the last commit message, with the possibility to reference the issues numbers from your bug tracker or link to its review page.
+> Part of `git-extras`.
+> More information: <https://github.com/tj/git-extras/blob/master/Commands.md#git-stamp>.
+
+- Stamp the last commit message referencing it with the issue number from your bug tracker:
+
+`git stamp {{issue_number}}`
+
+- Stamp the last commit message linking it to its review page:
+
+`git stamp {{Review https://example.org/path/to/review}}`
+
+- Stamp the last commit message replacing previous issues with a new one:
+
+`git stamp --replace {{issue_number}}`