ci: bump actions/checkout from 5 to 6, fix VPM's outdated_test.v (#25797)

Author: dependabot[bot]

.github/workflows/benchmark_footprint_json_decode.yml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build V
         run: make -j4 && ./v symlink

.github/workflows/benchmark_footprint_json_encode.yml

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build V
         run: make -j4 && ./v symlink

.github/workflows/bootstrapping_ci.yml

@@ -39,7 +39,7 @@ jobs:
       VFLAGS: -no-parallel
       B_LFLAGS: -lm -lpthread
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build V

.github/workflows/build_on_ubuntu_25_ci.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build and test in Ubuntu 25.04 with GCC 14.2
         run: |
           set -o xtrace

.github/workflows/c2v_ci.yml

@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make && ./v symlink
 
@@ -76,7 +76,7 @@ jobs:
       LIBGL_ALWAYS_SOFTWARE: true
       VTMP: /tmp
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make && ./v symlink
 

.github/workflows/cross_ci.yml

@@ -27,7 +27,7 @@ jobs:
     env:
       VFLAGS: -cc clang
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 10
       - name: Build V
@@ -57,7 +57,7 @@ jobs:
     env:
       VFLAGS: -cc tcc -no-retry-compilation
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 10
       - name: Build v
@@ -104,7 +104,7 @@ jobs:
     runs-on: windows-2025
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build
         run: |
           echo %VFLAGS%

.github/workflows/debug.yml

@@ -9,7 +9,7 @@ jobs:
     env:
       VFLAGS: -cc msvc
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build
         run: |
           echo %VFLAGS%

.github/workflows/docker_ci.yml

@@ -35,7 +35,7 @@ jobs:
         - ${{github.workspace}}:/opt/vlang
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Show Environment
         run: |
           echo "PWD:"
@@ -65,7 +65,7 @@ jobs:
         - ${{github.workspace}}:/opt/vlang
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
       - name: Build V
         run: echo "$VFLAGS" && make -j4 && ./v -cg -o v cmd/v
       - name: Verify `v test` works

.github/workflows/docs_ci.yml

@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make
       - name: Install dependencies (some examples show how to use sqlite and the x11 clipboard)
@@ -41,12 +41,12 @@ jobs:
     env:
       MOPTIONS: --diff --deprecated --relative-paths --exclude /vlib/v/ --exclude /builtin/linux_bare/ --exclude /testdata/ --exclude /tests/
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make
 
       - name: Checkout previous v
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           repository: vlang/v
           ref: master
@@ -61,7 +61,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make
       - name: Check doc comment dots for some key modules
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Build V
         run: make
       - name: Check examples in the doc comments for all vlib modules

.github/workflows/freebsd_ci.yml

@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Tests on FreeBSD with tcc
         id: tests-freebsd-tcc
         uses: cross-platform-actions/action@v0.30.0
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Tests on FreeBSD with clang
         id: tests-freebsd-clang
         uses: cross-platform-actions/action@v0.30.0
@@ -79,7 +79,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Tests on FreeBSD with gcc
         id: tests-freebsd-gcc
         uses: cross-platform-actions/action@v0.30.0