chore: Update checkout and setup-node GHAs

Author: jonathanedey

.github/workflows/ci.yml

@@ -12,9 +12,9 @@ jobs:
         node-version: [22.x, 24.x, 26.x]
 
     steps:
-    - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Set up Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: ${{ matrix.node-version }}
     # Java 21 is required by firebase-tools to run emulator-based integration tests

.github/workflows/nightly.yml

@@ -29,12 +29,12 @@ jobs:
 
     steps:
     - name: Checkout source for staging
-      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         ref: ${{ github.event.client_payload.ref || github.ref }}
 
     - name: Set up Node.js
-      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 22.x
 

.github/workflows/release.yml

@@ -46,10 +46,10 @@ jobs:
 
     steps:
     - name: Checkout source for staging
-      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
     - name: Set up Node.js
-      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 22.x
 
@@ -109,7 +109,7 @@ jobs:
 
     steps:
     - name: Checkout source for publish
-      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
     # Download the artifacts created by the stage_release job.
     - name: Download release candidates
@@ -120,7 +120,7 @@ jobs:
 
     # Node.js and NPM are needed to complete the publish.
     - name: Set up Node.js
-      uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: 22.x