Upgrade GitHub Actions for Node 24 compatibility (#8934)

Signed-off-by: Salman Muin Kayser Chishti <13schishti@gmail.com>

.github/workflows/build.yml

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 30e0cec..f6bc138 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@
         chmod +x flatc
         ./flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Linux flatc binary ${{ matrix.cxx }}
         path: flatc
@@ -170,7 +170,7 @@
     - name: test
       run: Release\flattests.exe
     - name: upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Windows flatc binary
         path: Release\flatc.exe
@@ -246,7 +246,7 @@
         chmod +x Release/flatc
         Release/flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Mac flatc binary Intel
         path: Release/flatc
@@ -289,7 +289,7 @@
         chmod +x Release/flatc
         Release/flatc --version
     - name: upload build artifacts
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Mac flatc binary Universal
         path: Release/flatc
@@ -314,7 +314,7 @@
    steps:
    - uses: actions/checkout@v6
    - name: set up Java
-     uses: actions/setup-java@v4
+     uses: actions/setup-java@v5
      with:
        distribution: temurin
        java-version: 17
@@ -373,7 +373,7 @@
     - name: Run benchmarks
       run: ./flatbenchmark --benchmark_repetitions=5 --benchmark_display_aggregates_only=true --benchmark_out_format=console --benchmark_out=benchmarks/results_${{matrix.cxx}}
     - name: Upload benchmarks results
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v6
       with:
         name: Linux flatbenchmark results ${{matrix.cxx}}
         path: benchmarks/results_${{matrix.cxx}}
@@ -394,7 +394,7 @@
     - name: Checkout
       uses: actions/checkout@v6
     - name: set up Java
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: temurin
         java-version: 17
@@ -417,7 +417,7 @@
     - name: Checkout
       uses: actions/checkout@v6
     - name: set up Java
-      uses: actions/setup-java@v4
+      uses: actions/setup-java@v5
       with:
         distribution: temurin
         java-version: 17

.github/workflows/docs.yml

diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d4c066a..d92859c 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -21,11 +21,11 @@
         run: |
           git config user.name github-actions[bot]
           git config user.email 41898282+github-actions[bot]@users.noreply.github.com
-      - uses: actions/setup-python@v5
+      - uses: actions/setup-python@v6
         with:
           python-version: 3.x
       - run: echo "cache_id=$(date --utc '+%V')" >> $GITHUB_ENV 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v5
         with:
           key: mkdocs-material-${{ env.cache_id }}
           path: .cache

.github/workflows/main.yml

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 9a90095..5d91064 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@
        language: c++
        fuzz-seconds: 60
    - name: Upload Crash
-     uses: actions/upload-artifact@v4
+     uses: actions/upload-artifact@v6
      if: failure() && steps.build.outcome == 'success'
      with:
        name: artifacts

.github/workflows/release.yml

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 309fe12..5463e5b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v6
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
@@ -30,7 +30,7 @@
         working-directory: ./python
     steps:
       - uses: actions/checkout@v6
-      - uses: actions/setup-python@v4
+      - uses: actions/setup-python@v6
         with:
           python-version: '3.10'