Bump jiro4989/setup-nim-action from 1 to 2 (#145)

Author: dependabot[bot]

.github/workflows/doc.yaml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: jiro4989/setup-nim-action@v1
+      - uses: jiro4989/setup-nim-action@v2
         with:
           nim-version: 'devel'
       - run: nimble install -Y

.github/workflows/test.yaml

@@ -24,7 +24,7 @@ jobs:
     needs: before
     steps:
       - uses: actions/checkout@v4
-      - uses: jiro4989/setup-nim-action@v1
+      - uses: jiro4989/setup-nim-action@v2
         with:
           nim-version: ${{ matrix.nim-version }}
       - run: nimble install -y