Remove unnecessary dependeny `replaceall` in `@graphql-tools/prisma-loader`

[GamerBene19]

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Is your feature request related to a problem? Please describe. Not really a "problem" per se, but I've noticed that this project has an (imo) unnecessary dependency. @graphql-tools/prisma-loader depends on replaceall.
The 12th edition of ECMA-262 added specification for replaceAll which by now is supported by all major browsers.

I think the best solution is to identify uses of replaceall and replace them with replaceAll. I'll create a PR that implements those changes shortly.

Describe alternatives you've considered

I don't think there is an alternative here (apart from keeping the package obv).

Additional context

None.