CI: Bump and ref actions by commit SHA in ci.yml

Referencing actions by commit SHA in GitHub workflows guarantees you are using an immutable version. Actions referenced by tags and branches are more vulnerable to attacks, such as the tag being moved to a malicious commit or a malicious commit being pushed to the branch.

It's important to make sure the SHA's are from the original repositories and not forks.

For reference:

https://github.com/actions/checkout/releases/tag/v4.1.0
https://github.com/actions/checkout/commit/8ade135a41bc03ea155e62e844d188df1ea18608

https://github.com/actions/upload-artifact/releases/tag/v3.1.3
https://github.com/actions/upload-artifact/commit/a8a3f3ad30e3422c9c7b888a15615d19a852ae32

Signed-off-by: Gabriela Gutierrez <gabigutierrez@google.com>

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 79ceb1411e3920eba40d5e8b59de90531a589875..b5582a7498256d011772401529af76069aff2ded 100644 (file)
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
         build_system: [autotools, cmake]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 #v4.1.0
 
       ########################
       # Install Dependencies #
@@ -135,7 +135,7 @@ jobs:
         run: ./build-aux/ci_build.sh -b ${{ matrix.build_system }} -d small -p test -n small
 
       # Attempt to upload the test logs as artifacts if any step has failed
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 #v3.1.3
         if: ${{ failure() }}
         with:
           name: ${{ matrix.os }} ${{ matrix.build_system }} Test Logs