Use fixed hash for action

Author: sbernauer

.github/actionlint.yaml

@@ -0,0 +1,5 @@
+self-hosted-runner:
+  # BuildJet machines we are using
+  labels:
+    - buildjet-2vcpu-ubuntu-2204-arm
+    - buildjet-4vcpu-ubuntu-2204-arm

.github/workflows/pr_stackablectl.yml

@@ -60,7 +60,7 @@ jobs:
           toolchain: ${{ env.RUST_VERSION }}
           targets: ${{ matrix.target }}
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
         with:
           go-version: '^1.22.2'
 

.github/workflows/release_stackablectl.yml

@@ -46,7 +46,7 @@ jobs:
           toolchain: ${{ env.RUST_VERSION }}
           targets: ${{ matrix.target }}
 
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
         with:
           go-version: '^1.22.2'