Update and pin versions of actions

Author: gpapakyriakopoulos

.github/workflows/build-and-publish.yml

@@ -150,10 +150,10 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@900f2210b1d28bbbd0bd22d17926b9e224e8f231 #v6.0.2
+        uses: actions/checkout@900f2210b1d28bbbd0bd22d17926b9e224e8f231 # v6.0.2
 
       - name: Download dist artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@484a0b528fb4d7bd804637ccb632e47a0e638317 # v8.0.1
         with:
           name: dist
           path: dist/

.github/workflows/test-tracker.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@900f2210b1d28bbbd0bd22d17926b9e224e8f231 #v6.0.2
 
       - name: Start eBPF tracker (stdio mode)
         uses: skroutz/ebpf-tracker@main