DEVOPS-1939 - Pin actions to main (#717)

Author: vgrassia

.github/workflows/publish-php.yml

@@ -86,7 +86,7 @@ jobs:
 
       - name: Retrieve secrets
         id: retrieve-secrets
-        uses: bitwarden/gh-actions/get-keyvault-secrets@2e9a183f0543d25868fbb784dfe205fea6ff09a5
+        uses: bitwarden/gh-actions/get-keyvault-secrets@main
         with:
           keyvault: ${{ env._KEY_VAULT }}
           secrets: "github-pat-bitwarden-devops-bot-repo-scope"
@@ -167,7 +167,7 @@ jobs:
 
       - name: Retrieve secrets
         id: retrieve-secrets
-        uses: bitwarden/gh-actions/get-keyvault-secrets@2e9a183f0543d25868fbb784dfe205fea6ff09a5
+        uses: bitwarden/gh-actions/get-keyvault-secrets@main
         with:
           keyvault: ${{ env._KEY_VAULT }}
           secrets: "github-pat-bitwarden-devops-bot-repo-scope"
@@ -247,7 +247,7 @@ jobs:
 
       - name: Retrieve secrets
         id: retrieve-secrets
-        uses: bitwarden/gh-actions/get-keyvault-secrets@2e9a183f0543d25868fbb784dfe205fea6ff09a5
+        uses: bitwarden/gh-actions/get-keyvault-secrets@main
         with:
           keyvault: ${{ env._KEY_VAULT }}
           secrets: "github-pat-bitwarden-devops-bot-repo-scope,