github: update actions/checkout to v2.3.4

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

.github/workflows/deploy_github_releases.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
     - name: Decrypt secrets
       run: scripts/signing-setup.sh "$ENCRYPT_KEY"
@@ -53,7 +53,7 @@ jobs:
     needs: build
     steps:
       - name: Checkout
-        uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
       - name: Get Non-Free Release APK
         uses: actions/download-artifact@f60857ee283b759efd0a9bf31b1b24a2d9c7e5cd

.github/workflows/deploy_library_releases.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
-      uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
     - name: Determine publishing task
       id: task-select

.github/workflows/deploy_snapshot.yml

@@ -10,7 +10,7 @@ jobs:
     if: "!contains(github.event.head_commit.message, '[ci skip]')"
     steps:
     - name: Checkout repository
-      uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
     - name: Decrypt secrets
       run: scripts/signing-setup.sh "$ENCRYPT_KEY"

.github/workflows/draft_new_release.yml

@@ -9,7 +9,7 @@ jobs:
     name: "Draft a new release"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      - uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
         with:
           ref: 'release'
       - name: Extract version from milestone

.github/workflows/pull_request.yml

@@ -30,7 +30,7 @@ jobs:
 
     - name: Checkout repository
       if: ${{ steps.service-changed.outputs.result == 'true' }}
-      uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
     - name: Copy CI gradle.properties
       if: ${{ steps.service-changed.outputs.result == 'true' }}

.github/workflows/update_publicsuffix_data.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
       - name: Download new publicsuffix data
         run: curl -L https://github.com/mozilla-mobile/android-components/raw/master/components/lib/publicsuffixlist/src/main/assets/publicsuffixes -o autofill-parser/src/main/assets/publicsuffixes

.github/workflows/validate_gradle_wrapper.yml

@@ -12,5 +12,5 @@ jobs:
     name: "Wrapper validation"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@c952173edf28a2bd22e1a4926590c1ac39630461
+      - uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
       - uses: gradle/wrapper-validation-action@2a9956c214b2b4b63544570479c926e7a121218e