Migrate to Node 20 actions

Author: jdblischak

.github/workflows/cross-platform.yaml

@@ -28,11 +28,11 @@ jobs:
       TZ: UTC
     steps:
       - name: Checkout workflowr-pkg-tests
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: workflowr-pkg-tests
       - name: Checkout workflowr
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: workflowr/workflowr
           path: workflowr

.github/workflows/current.yaml

@@ -11,7 +11,7 @@ jobs:
       RSPM: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "workflowr/workflowr"
       - name: Install system dependencies
@@ -40,7 +40,7 @@ jobs:
         with:
           r-version: "release"
       - name: Restore R package cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.R_LIBS_USER }}/*
           key: ubuntu-20.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('DESCRIPTION') }}
@@ -71,7 +71,7 @@ jobs:
         shell: bash
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@main
+        uses: actions/upload-artifact@v4
         with:
           name: current-results
           path: workflowr.Rcheck

.github/workflows/future.yaml

@@ -11,7 +11,7 @@ jobs:
       RSPM: "https://packagemanager.rstudio.com/cran/__linux__/jammy/latest"
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "workflowr/workflowr"
       - name: Install system dependencies
@@ -39,7 +39,7 @@ jobs:
         with:
           r-version: "devel"
       - name: Restore R package cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.R_LIBS_USER }}/*
           key: ubuntu-22.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('DESCRIPTION') }}
@@ -90,7 +90,7 @@ jobs:
         shell: bash
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@main
+        uses: actions/upload-artifact@v4
         with:
           name: future-results
           path: workflowr.Rcheck

.github/workflows/legacy.yaml

@@ -11,11 +11,11 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - name: "Checkout workflowr-pkg-tests"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           path: "workflowr-pkg-tests"
       - name: "Checkout workflowr"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: "workflowr/workflowr"
           path: "workflowr"
@@ -44,7 +44,7 @@ jobs:
         with:
           r-version: 3.3.3
       - name: Restore R package cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.R_LIBS_USER }}/*
           key: ubuntu-20.04-${{ steps.install-r.outputs.installed-r-version }}-1-${{ hashFiles('DESCRIPTION') }}
@@ -71,7 +71,7 @@ jobs:
         working-directory: "workflowr"
       - name: Upload check results
         if: failure()
-        uses: actions/upload-artifact@main
+        uses: actions/upload-artifact@v4
         with:
           name: legacy-results
           path: workflowr/workflowr.Rcheck

.github/workflows/pandocless.yaml

@@ -13,7 +13,7 @@ jobs:
       _R_CHECK_CRAN_INCOMING_: TRUE
       _R_CHECK_CRAN_INCOMING_REMOTE_: FALSE
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "workflowr/workflowr"
       - name: Setup r2u

.github/workflows/spell-check.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-22.04
     name: spell-check
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: "workflowr/workflowr"
       - name: Setup r2u

.github/workflows/update-conda-lockfiles.yaml

@@ -23,7 +23,7 @@ jobs:
       run:
         shell: ${{ matrix.config.shell }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Mambaforge
         uses: conda-incubator/setup-miniconda@v2
         with: