pr-checks.yaml: update actions versions v1.0.1

Update all 3 Open MPI GitHub Actions scripts to v1.0.1.  This will
squelch warnings that we get about using outdated Node.js versions.

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>

Author: jsquyres

.github/workflows/pr-checks.yaml

@@ -23,7 +23,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Pull Request Commit Checker
-        uses: open-mpi/pr-git-commit-checker@v1.0.0
+        uses: open-mpi/pr-git-commit-checker@v1.0.1
         with:
           token: "${{ secrets.GITHUB_TOKEN}}"
   label:
@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Pull Request Labeler
-        uses: open-mpi/pr-labeler@v1.0.0
+        uses: open-mpi/pr-labeler@v1.0.1
         with:
           token: "${{ secrets.GITHUB_TOKEN }}"
 
@@ -45,6 +45,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Pull Request Milestoner
-        uses: open-mpi/pr-milestoner@v1.0.0
+        uses: open-mpi/pr-milestoner@v1.0.1
         with:
           token: "${{ secrets.GITHUB_TOKEN }}"