Bump sharp, gatsby-plugin-manifest and gatsby-plugin-sharp#64

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dependabot/npm_and_yarn/sharp-and-sharp-and-gatsby-plugin-manifest-and-gatsby-plugin-sharp-0.32.6arjunnn/arjunnn.github.io:dependabot/npm_and_yarn/sharp-and-sharp-and-gatsby-plugin-manifest-and-gatsby-plugin-sharp-0.32.6Copy head branch name to clipboard