Bump sharp from 0.32.6 to 0.34.2 (#567)

This bumps `sharp` from `0.32.6` to `0.34.2` to remove `tar-fs`,
resolving [this Dependabot
alert](https://github.com/MetaMask/snaps-directory/security/dependabot/47).
Unfortunately Gatsby is pinned to an old version of Sharp, so I had to
add a resolution.

Author: Mrtenz

package.json

@@ -48,6 +48,7 @@
     "@noble/hashes@~1.1.1": "patch:@noble/hashes@npm%3A1.3.2#./.yarn/patches/@noble-hashes-npm-1.3.2-1e619f9da0.patch",
     "@noble/hashes@~1.3.0": "patch:@noble/hashes@npm%3A1.3.2#./.yarn/patches/@noble-hashes-npm-1.3.2-1e619f9da0.patch",
     "@noble/hashes@~1.3.1": "patch:@noble/hashes@npm%3A1.3.2#./.yarn/patches/@noble-hashes-npm-1.3.2-1e619f9da0.patch",
+    "sharp": "^0.34.2",
     "xml2js": "^0.5.0"
   },
   "dependencies": {