ci: update secrets-action references after repository rename

Update protectgh references to cipherstash/secrets-action@main
following repository rename.

Author: tobyhede

.github/workflows/benchmark.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: ./.github/actions/setup-test
 
       - name: Decrypt secrets
-        uses: cipherstash/protectgh@main
+        uses: cipherstash/secrets-action@main
         with:
           secrets-file: .github/secrets.env.encrypted
         env:

.github/workflows/release.yml

@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Decrypt secrets
-        uses: cipherstash/protectgh@main
+        uses: cipherstash/secrets-action@main
         with:
           secrets-file: .github/secrets.env.encrypted
         env:
@@ -106,7 +106,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Decrypt secrets
-        uses: cipherstash/protectgh@main
+        uses: cipherstash/secrets-action@main
         with:
           secrets-file: .github/secrets.env.encrypted
         env:

.github/workflows/test.yml

@@ -26,7 +26,7 @@ jobs:
       - uses: ./.github/actions/setup-test
 
       - name: Decrypt secrets
-        uses: cipherstash/protectgh@main
+        uses: cipherstash/secrets-action@main
         with:
           secrets-file: .github/secrets.env.encrypted
         env: