Bump actions/upload-artifact from 4 to 6

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/Android.yml

@@ -30,7 +30,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: retroarch-android-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/DOS-DJGPP.yml

@@ -31,7 +31,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: RA-DOS-dummy-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/MSVC.yml

@@ -47,7 +47,7 @@ jobs:
         run: echo "sha8=$('${{github.sha}}'.Substring(0,8))"  >> $env:GITHUB_OUTPUT
         # https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: retroarch-${{matrix.version}}-${{matrix.configuration}}-${{matrix.platform}}-${{ steps.slug.outputs.sha8 }}
           path: |

.github/workflows/MacOS.yml

@@ -26,7 +26,7 @@ jobs:
       id: slug
       run: echo "sha8=$(echo ${GITHUB_SHA} | cut -c1-8)" >> $GITHUB_OUTPUT
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: RetroArch-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/Miyoo.yml

@@ -31,7 +31,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: retroarch_miyoo_arm32${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/PS2.yml

@@ -36,7 +36,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: RA-PS2-dummy-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/PS4-ORBIS.yml

@@ -37,7 +37,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: bin-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/PSP.yml

@@ -42,7 +42,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: RA-PSP-dummy-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/PSVita.yml

@@ -35,7 +35,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: RA-PSVita-dummy-${{ steps.slug.outputs.sha8 }}
         path: |

.github/workflows/RS90.yml

@@ -31,7 +31,7 @@ jobs:
       id: slug
       run: echo "::set-output name=sha8::$(echo ${GITHUB_SHA} | cut -c1-8)"
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v6
       with:
         name: retroarch_rs90_mips32${{ steps.slug.outputs.sha8 }}
         path: |