ci: update actions/checkout to v6

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
     container: ubuntu:26.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-24.04
     container: alpine:3
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -127,7 +127,7 @@ jobs:
       PROPTEST_MAX_SHRINK_ITERS: 200000
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -154,7 +154,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -178,7 +178,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -201,7 +201,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -223,7 +223,7 @@ jobs:
     runs-on: ubuntu-24.04
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -239,7 +239,7 @@ jobs:
     container: fedora:41
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -257,7 +257,7 @@ jobs:
       CARGO_HOME: /home/runner/work/niri/niri/cargo-home
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -295,7 +295,7 @@ jobs:
           dotnet: false
           large-packages: false
         
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false
 
@@ -314,7 +314,7 @@ jobs:
       contents: write
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           lfs: true
           show-progress: false
@@ -331,7 +331,7 @@ jobs:
       contents: write
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           lfs: true
           show-progress: false

.github/workflows/release.yml

@@ -22,7 +22,7 @@ jobs:
       contents: write
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           show-progress: false