Bump magefile/mage-action from 1 to 2

Bumps [magefile/mage-action](https://github.com/magefile/mage-action) from 1 to 2.
- [Release notes](https://github.com/magefile/mage-action/releases)
- [Changelog](https://github.com/magefile/mage-action/blob/v2/CHANGELOG.md)
- [Commits](magefile/mage-action@v1...v2)

---
updated-dependencies:
- dependency-name: magefile/mage-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -61,14 +61,14 @@ jobs:
 
       - name: Test backend
         if: steps.check-for-backend.outputs.has-backend == 'true'
-        uses: magefile/mage-action@v1
+        uses: magefile/mage-action@v2
         with:
           version: latest
           args: coverage
 
       - name: Build backend
         if: steps.check-for-backend.outputs.has-backend == 'true'
-        uses: magefile/mage-action@v1
+        uses: magefile/mage-action@v2
         with:
           version: v1.12.1
           args: buildAll

.github/workflows/release.yml

@@ -59,14 +59,14 @@ jobs:
           fi
       - name: Test backend
         if: steps.check-for-backend.outputs.has-backend == 'true'
-        uses: magefile/mage-action@v1
+        uses: magefile/mage-action@v2
         with:
           version: latest
           args: coverage
 
       - name: Build backend
         if: steps.check-for-backend.outputs.has-backend == 'true'
-        uses: magefile/mage-action@v1
+        uses: magefile/mage-action@v2
         with:
           version: latest
           args: buildAll