fix(build): commit SHA requirement

Author: mk-rw

.github/workflows/argus-build.yml

@@ -11,7 +11,7 @@ name: Build Verification
 
 jobs:
   checks:
-    uses: ./.github/workflows/build.yml
+    uses: ./.github/workflows/build.yml@5b631423b2b4a90ee887956bf9f6a541edea234a
     with:
       crate-name: argus
       crate-path: boards/argus

.github/workflows/phoenix-build.yml

@@ -10,7 +10,7 @@ name: Build Verification
 
 jobs:
   checks:
-    uses: ./.github/workflow/build.yml
+    uses: ./.github/workflow/build.yml@5b631423b2b4a90ee887956bf9f6a541edea234a
     with:
       crate-name: phoenix
       crate-path: boards/phoenix