Use pre suffix & tag instead of dev

We'll be useing a `pre` tag for this package with contracts. We decided
to use 'dev` suffix for projects where we deploy contracts (and there is
a need for distinction between environments). Here we don't deploy
contracts, so we can use `pre` suffix/tag.

Author: michalinacienciala

.github/workflows/npm.yml

@@ -26,11 +26,11 @@ jobs:
         id: npm-version-bump
         uses: keep-network/npm-version-bump@v2
         with:
-          environment: dev
+          environment: pre
           branch: ${{ github.ref }}
           commit: ${{ github.sha }}
 
       - name: Publish package
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
-        run: npm publish --access public --tag development
+        run: npm publish --access public --tag pre

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@thesis-co/solidity-contracts",
-  "version": "0.0.1-dev",
+  "version": "0.0.1-pre",
   "license": "MIT",
   "files": [
     "contracts/**/*.sol"