Switch to newer version v3 of Github actions/checkout to solve obsolescence

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 75afd3cc9bc99bba1b3b40df43073c103ea5b44b..cebb9c0f8530a2c187f3448e17786250c1dc1012 100644 (file)
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
   build-linux:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: bootstrap
       run: ./build.sh net-bootstrap
     - name: load-all
@@ -26,7 +26,7 @@ jobs:
   build-macos:
     runs-on: macos-11
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: build
       run: arch -x86_64 ./build.sh net-bootstrap
     - name: load-all
@@ -39,7 +39,7 @@ jobs:
   build-windows:
     runs-on: windows-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: ilammy/msvc-dev-cmd@v1
     - name: build
       shell: cmd