Bump semver from 6.1.0 to 6.3.1 in /tools/stackmap

Bumps [semver](https://github.com/npm/node-semver) from 6.1.0 to 6.3.1.
- [Release notes](https://github.com/npm/node-semver/releases)
- [Changelog](https://github.com/npm/node-semver/blob/v6.3.1/CHANGELOG.md)
- [Commits](npm/node-semver@v6.1.0...v6.3.1)

---
updated-dependencies:
- dependency-name: semver
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

tools/stackmap/yarn.lock

@@ -1272,9 +1272,9 @@ semver@^5.3.0, semver@^5.4.1:
   integrity sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==
 
 semver@^6.1.0:
-  version "6.1.0"
-  resolved "https://registry.yarnpkg.com/semver/-/semver-6.1.0.tgz#e95dc415d45ecf03f2f9f83b264a6b11f49c0cca"
-  integrity sha512-kCqEOOHoBcFs/2Ccuk4Xarm/KiWRSLEX9CAZF8xkJ6ZPlIoTZ8V5f7J16vYLJqDbR7KrxTJpR2lqjIEm2Qx9cQ==
+  version "6.3.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-6.3.1.tgz#556d2ef8689146e46dcea4bfdd095f3434dffcb4"
+  integrity sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==
 
 semver@^7.3.4:
   version "7.3.5"