Fix CI: replace "master" with "v2"

Author: hsonne

.github/workflows/R-CMD-check.yaml

@@ -22,9 +22,9 @@ jobs:
       fail-fast: false
       matrix:
         config:
-          - {os: macOS-latest, r: 'release'}      
-          - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}      
-          - {os: windows-latest, r: 'devel'}          
+          - {os: macOS-latest, r: 'release'}
+          - {os: ubuntu-20.04, r: 'release', rspm: "https://packagemanager.rstudio.com/cran/__linux__/focal/latest"}
+          - {os: windows-latest, r: 'devel'}
           - {os: windows-latest, r: 'oldrel'}
           - {os: windows-latest, r: 'release'}
 
@@ -36,11 +36,11 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
 
-      - uses: r-lib/actions/setup-pandoc@master
+      - uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
         run: |

.github/workflows/pkgdown.yaml

@@ -15,9 +15,9 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
 
-      - uses: r-lib/actions/setup-pandoc@master
+      - uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
         run: |

.github/workflows/pr-commands.yaml

@@ -11,10 +11,10 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
-      - uses: r-lib/actions/pr-fetch@master
+      - uses: r-lib/actions/pr-fetch@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
       - name: Install dependencies
         run: Rscript -e 'install.packages(c("remotes", "roxygen2"))' -e 'remotes::install_deps(dependencies = TRUE)'
       - name: Document
@@ -23,7 +23,7 @@ jobs:
         run: |
           git add man/\* NAMESPACE
           git commit -m 'Document'
-      - uses: r-lib/actions/pr-push@master
+      - uses: r-lib/actions/pr-push@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
   style:
@@ -34,10 +34,10 @@ jobs:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
       - uses: actions/checkout@v2
-      - uses: r-lib/actions/pr-fetch@master
+      - uses: r-lib/actions/pr-fetch@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
       - name: Install dependencies
         run: Rscript -e 'install.packages("styler")'
       - name: Style
@@ -46,6 +46,6 @@ jobs:
         run: |
           git add \*.R
           git commit -m 'Style'
-      - uses: r-lib/actions/pr-push@master
+      - uses: r-lib/actions/pr-push@v2
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test-coverage.yaml

@@ -18,9 +18,9 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: r-lib/actions/setup-r@master
+      - uses: r-lib/actions/setup-r@v2
 
-      - uses: r-lib/actions/setup-pandoc@master
+      - uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
         run: |