remove pins for first party github actions becaus they keep deleting old versions for some insane reason, which makes pinning completely pointless

Author: DetachHead

.github/workflows/test and publish.yaml

@@ -5,15 +5,15 @@ jobs:
     build-and-test:
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v2
-            - uses: actions/setup-node@v3
+            - uses: actions/checkout@main
+            - uses: actions/setup-node@main
               with:
                   node-version: 16.9.1
             - run: npm ci
             - run: npm run build
             - run: npm run format:check
             - run: npm run lint:check
-            - uses: actions/upload-artifact@v2
+            - uses: actions/upload-artifact@main
               with:
                   name: build
                   path: index.js
@@ -24,16 +24,16 @@ jobs:
         runs-on: ubuntu-latest
         needs: build-and-test
         steps:
-            - uses: actions/checkout@v1
-            - uses: actions/setup-node@v3
+            - uses: actions/checkout@main
+            - uses: actions/setup-node@main
               with:
                   node-version: 16.9.1
             - run: echo ::set-output name=CURRENT_VERSION::$(node -p "require(\"./package.json\").version")
               id: current-version
             - if: github.ref == 'refs/heads/master'
               run: echo ::set-output name=VERSION_INFO::$(npm view $(node -p "require(\"./package.json\").name")@=${{ steps.current-version.outputs.CURRENT_VERSION }})
               id: version-was-changed
-            - uses: actions/download-artifact@v2
+            - uses: actions/download-artifact@main
               # need to publish if the branch isn't master, or it is master and the version in package.json hasn't been published yet
               if: github.ref != 'refs/heads/master' || steps.version-was-changed.outputs.VERSION_INFO == ''
               with: